Cita APA (7th ed.)

Cartwright, O. L., & Wooddruff, R. E. (1969). Ten rhyparus from the western hemisphere, Coleoptera: Scarabaeidae: Aphodiinae. Smithsonian Institution.

Cita Chicago (17th ed.)

Cartwright, Oscar L., i Robert E. Wooddruff. Ten Rhyparus from the Western Hemisphere, Coleoptera: Scarabaeidae: Aphodiinae. Washington, D.C: Smithsonian Institution, 1969.

Cita MLA (9th ed.)

Cartwright, Oscar L., i Robert E. Wooddruff. Ten Rhyparus from the Western Hemisphere, Coleoptera: Scarabaeidae: Aphodiinae. Smithsonian Institution, 1969.