Cita APA (7th ed.)

Branson, E. B., & Mehl, M. G. (1929). Triassic amphibians from the Rocky mountain region. The University of Missouri.

Cita Chicago (17th ed.)

Branson, E. B., i Maurice G. Mehl. Triassic Amphibians from the Rocky Mountain Region. Columbia: The University of Missouri, 1929.

Cita MLA (9th ed.)

Branson, E. B., i Maurice G. Mehl. Triassic Amphibians from the Rocky Mountain Region. The University of Missouri, 1929.