Cita APA (7a ed.)

Cockerell, T. D. A. (1924). Expedition of the California Academy of Sciences to the Gulf of California in 1921. The Bees (II). Zenodo.

Cita Chicago Style (17a ed.)

Cockerell, Theodore D. A. Expedition of the California Academy of Sciences to the Gulf of California in 1921. The Bees (II). Zenodo, 1924.

Cita MLA (9a ed.)

Cockerell, Theodore D. A. Expedition of the California Academy of Sciences to the Gulf of California in 1921. The Bees (II). Zenodo, 1924.