Cita APA (7th ed.)

Mudge, I. G., Sheehy, E. P., & Winchell, C. M. (1967). Guide to reference books (8th ed.). American Library Association.

Cita Chicago (17th ed.)

Mudge, Isadore Gilbert, Eugene P. Sheehy, i Constance M. Winchell. Guide to Reference Books. 8th ed. Chicago: American Library Association, 1967.

Cita MLA (9th ed.)

Mudge, Isadore Gilbert, et al. Guide to Reference Books. 8th ed. American Library Association, 1967.