APA

Heyer W. R., De Sá R. O., . (2011). Variation, systematics, and relationships of the Leptodactylus bolivianus complex (Amphibia: Anura: Leptodactylidae). Washington, D.C: Smithsonian Institution Scholarly Press.

Chicago

Heyer W Ronald, De Sá Rafael O, . 2011. Variation, systematics, and relationships of the Leptodactylus bolivianus complex (Amphibia: Anura: Leptodactylidae). Washington, D.C: Smithsonian Institution Scholarly Press.

Harvard

Heyer W. R., De Sá R. O., . (2011). Variation, systematics, and relationships of the Leptodactylus bolivianus complex (Amphibia: Anura: Leptodactylidae). Washington, D.C: Smithsonian Institution Scholarly Press.

MLA

Heyer W Ronald, De Sá Rafael O, . Variation, systematics, and relationships of the Leptodactylus bolivianus complex (Amphibia: Anura: Leptodactylidae). Washington, D.C: Smithsonian Institution Scholarly Press. 2011.