APA (7th ed.) Citation

Ferreira, M. C., & Ferreira, M. C. (1976). A. Some new species of Onitis F. (Coleoptera: Scarabaeidae). Nasionale Museum.

Chicago Style (17th ed.) Citation

Ferreira, M. C., and M. C. Ferreira. A. Some New Species of Onitis F. (Coleoptera: Scarabaeidae). Bloemfontein: Nasionale Museum, 1976.

MLA (9th ed.) Citation

Ferreira, M. C., and M. C. Ferreira. A. Some New Species of Onitis F. (Coleoptera: Scarabaeidae). Nasionale Museum, 1976.