MLA

Cohen, Irun R.; Lajtha, Abel, Alexander I Agoulnik, and Abel Lajtha. Relaxin and Related Peptides. Springer New York, 2007.

APA

Cohen, A., Agoulnik, A. I, & Lajtha, A. (2007). Relaxin and Related Peptides. Springer New York.

Chicago

Cohen, Irun R.; Lajtha, Abel, Alexander I Agoulnik, and Abel Lajtha. Relaxin and Related Peptides. : Springer New York, 2007.