Cita APA (7a ed.)

Cei, J. M. A. M., Erspamer, V., & Roseghini, M. (1967). Taxonomic and evolutionary significance of biogenic amines and polypeptides occurring in amphibian skin. I. Neotropical Leptodactylid frogs.

Cita Chicago Style (17a ed.)

Cei, José Miguel Alfredo María, V. Erspamer, y M. Roseghini. Taxonomic and Evolutionary Significance of Biogenic Amines and Polypeptides Occurring in Amphibian Skin. I. Neotropical Leptodactylid Frogs. 1967.

Cita MLA (8a ed.)

Cei, José Miguel Alfredo María, et al. Taxonomic and Evolutionary Significance of Biogenic Amines and Polypeptides Occurring in Amphibian Skin. I. Neotropical Leptodactylid Frogs. 1967.