Cita APA (7a ed.)

Williams, L. A., & Clayton, H. (1951). Fleas from the Upper Sonoran Zone Near Albuquerque, N. Mex. Smithsonian Institution.

Cita Chicago Style (17a ed.)

Williams, Leila Ann, y Hoff Clayton. Fleas from the Upper Sonoran Zone Near Albuquerque, N. Mex. Washington: Smithsonian Institution, 1951.

Cita MLA (9a ed.)

Williams, Leila Ann, y Hoff Clayton. Fleas from the Upper Sonoran Zone Near Albuquerque, N. Mex. Smithsonian Institution, 1951.