MLA

Fryer, Allison D, Arthur Christopoulos, and Neil M Nathanson. Muscarinic Receptors. Springer Berlin Heidelberg, 2012.

APA

Fryer, A. D, Christopoulos, A., & Nathanson, N. M. (2012). Muscarinic Receptors. Springer Berlin Heidelberg.

Chicago

Fryer, Allison D., Arthur Christopoulos, and Neil M Nathanson. Muscarinic Receptors. : Springer Berlin Heidelberg, 2012.