Cita APA (7a ed.)

Cei, J. M. A. M. (1973). Geographical barriers and serological relationships in some african toads of the Bufo regularis complex.

Cita Chicago Style (17a ed.)

Cei, José Miguel Alfredo María. Geographical Barriers and Serological Relationships in Some African Toads of the Bufo Regularis Complex. 1973.

Cita MLA (8a ed.)

Cei, José Miguel Alfredo María. Geographical Barriers and Serological Relationships in Some African Toads of the Bufo Regularis Complex. 1973.