Cita APA (7a ed.)

Roth, L. M., & Willis, E. R. (1957). The Medical and Veterinary Importance of Cockroaches. Smithsonian Institution.

Cita Chicago Style (17a ed.)

Roth, Louis M., y Edwin R. Willis. The Medical and Veterinary Importance of Cockroaches. Washington: Smithsonian Institution, 1957.

Cita MLA (9a ed.)

Roth, Louis M., y Edwin R. Willis. The Medical and Veterinary Importance of Cockroaches. Smithsonian Institution, 1957.