diff --git a/Modules/Core/Common/include/itkGaussianDerivativeOperator.h b/Modules/Core/Common/include/itkGaussianDerivativeOperator.h
index 90d93d81490..a1b6e3cb7b7 100644
--- a/Modules/Core/Common/include/itkGaussianDerivativeOperator.h
+++ b/Modules/Core/Common/include/itkGaussianDerivativeOperator.h
@@ -76,7 +76,7 @@ extern ITKCommon_EXPORT std::ostream &
  *
  * References:
  * The Gaussian kernel contained in this operator was described in
- * \cite lindeberg1999.
+ * \cite lindeberg1991.
  *
  * \author Ivan Macia, Vicomtech, Spain, https://www.vicomtech.org/en
  *
diff --git a/Modules/Filtering/Convolution/include/itkMaskedFFTNormalizedCorrelationImageFilter.h b/Modules/Filtering/Convolution/include/itkMaskedFFTNormalizedCorrelationImageFilter.h
index 67e0e984258..d8a3b384ed1 100644
--- a/Modules/Filtering/Convolution/include/itkMaskedFFTNormalizedCorrelationImageFilter.h
+++ b/Modules/Filtering/Convolution/include/itkMaskedFFTNormalizedCorrelationImageFilter.h
@@ -125,7 +125,7 @@ namespace itk
  * type. You will get a compilation error if the pixel type of the
  * output image is not float or double.
  *
- * For algorithmic details see \cite padfield 2012 and \cite padfield2010.
+ * For algorithmic details see \cite padfield2012 and \cite padfield2010.
  *
  * \author: Dirk Padfield, GE Global Research, padfield\@research.ge.com
  * \ingroup ITKConvolution
diff --git a/Modules/Filtering/ImageGrid/include/itkBSplineResampleImageFilterBase.h b/Modules/Filtering/ImageGrid/include/itkBSplineResampleImageFilterBase.h
index ada5a20a4bf..61a5a0dee3d 100644
--- a/Modules/Filtering/ImageGrid/include/itkBSplineResampleImageFilterBase.h
+++ b/Modules/Filtering/ImageGrid/include/itkBSplineResampleImageFilterBase.h
@@ -44,7 +44,7 @@ namespace itk
  *        up/down sample an image by a factor of 2.
  *
  * This class defines N-Dimension B-Spline transformation.
- * It is based on \cite unser199, \cite unser1993 and \cite unser1993a.
+ * It is based on \cite unser1999, \cite unser1993 and \cite unser1993a.
  * Code obtained from bigwww.epfl.ch by Philippe Thevenaz
  *
  * Limitations:  Spline order for the l2 pyramid must be between 0 and 3.