Cita APA

Heyer, W. R. (1968). Studies on the genus Leptodactylus (Amphibia: Leptodactylidae). II. Diagnosis and distribution of the Leptodactylus of Costa Rica. Universidad de Costa Rica.

Citación estilo Chicago

Heyer, W. Ronald. Studies On the Genus Leptodactylus (Amphibia: Leptodactylidae). II. Diagnosis and Distribution of the Leptodactylus of Costa Rica. Universidad de Costa Rica, 1968.

Cita MLA

Heyer, W. Ronald. Studies On the Genus Leptodactylus (Amphibia: Leptodactylidae). II. Diagnosis and Distribution of the Leptodactylus of Costa Rica. Universidad de Costa Rica, 1968.