MLA

Hitzer, Eckhard, and Stephen J Sangwine. Quaternion and Clifford Fourier Transforms and Wavelets. Springer Basel, 2013.

APA

Hitzer, E., & Sangwine, S. J. (2013). Quaternion and Clifford Fourier Transforms and Wavelets. Springer Basel.

Chicago

Hitzer, Eckhard, and Stephen J Sangwine. Quaternion and Clifford Fourier Transforms and Wavelets. : Springer Basel, 2013.