MLA

Ahmad, Viqar Uddin, and Anwer Basha. Spectroscopic Data of Steroid Glycosides: Cardenolides and Pregnanes. Springer US, 2006.

APA

Ahmad, V. Uddin, & Basha, A. (2006). Spectroscopic Data of Steroid Glycosides: Cardenolides and Pregnanes. Springer US.

Chicago

Ahmad, Viqar Uddin, and Anwer Basha. Spectroscopic Data of Steroid Glycosides: Cardenolides and Pregnanes. : Springer US, 2006.