APA-referens

Genazzani, A. R., & Negri, M. (1989). Opioid peptides in biological fluids. Parthenon Publishing Group.

Chicago-stil citat

Genazzani, A. Red, och M. Negri. Opioid Peptides in Biological Fluids. U.S.A: Parthenon Publishing Group, 1989.

MLA-referens

Genazzani, A. Red, och M. Negri. Opioid Peptides in Biological Fluids. Parthenon Publishing Group, 1989.