Cita APA (7a ed.)

Erspamer, V., Vitali, T., Roseghini, M., & Cei, J. M. A. M. (1967). 5-Methoxy- and 5-Hydroxyindoles in the skin of <i>Bufo alvarius</i>.

Cita Chicago Style (17a ed.)

Erspamer, V., T. Vitali, M. Roseghini, y José Miguel Alfredo María Cei. 5-Methoxy- and 5-Hydroxyindoles in the Skin of <i>Bufo Alvarius</i>. 1967.

Cita MLA (8a ed.)

Erspamer, V., et al. 5-Methoxy- and 5-Hydroxyindoles in the Skin of <i>Bufo Alvarius</i>. 1967.