Cita APA

McCollough, E. F., Van Buren, M., & Stearns, L. E. (1931). Essentials in library administration (4th ed. rev.). American Library Administration.

Citación estilo Chicago

McCollough, Ethel Farquhar, Maud Van Buren, and Lutie Eugenia Stearns. Essentials in Library Administration. 4th ed. rev. Chicago: American Library Administration, 1931.

Cita MLA

McCollough, Ethel Farquhar, et al. Essentials in Library Administration. 4th ed. rev. American Library Administration, 1931.