Cita APA (7a ed.)

Snodgrass, R. E. (1957). A Revised Interpretation of the External Reproductive Organs of Male Insects. Smithsonian Institution.

Cita Chicago Style (17a ed.)

Snodgrass, R. E. A Revised Interpretation of the External Reproductive Organs of Male Insects. Washington: Smithsonian Institution, 1957.

Cita MLA (9a ed.)

Snodgrass, R. E. A Revised Interpretation of the External Reproductive Organs of Male Insects. Smithsonian Institution, 1957.