Cita APA (7a ed.)

Winchell, C. M. 1. (1967). Guide to reference books (8th ed.). American Library Association.

Cita Chicago Style (17a ed.)

Winchell, Constance Mabel 1896. Guide to Reference Books. 8th ed. Chicago: American Library Association, 1967.

Cita MLA (9a ed.)

Winchell, Constance Mabel 1896. Guide to Reference Books. 8th ed. American Library Association, 1967.