Cita APA (7th ed.)

(1970). A Biographical directory of librarians in the United States and Canada (5th ed.). American Library Association.

Cita Chicago (17th ed.)

A Biographical Directory of Librarians in the United States and Canada. 5th ed. Chicago: American Library Association, 1970.

Cita MLA (9th ed.)

A Biographical Directory of Librarians in the United States and Canada. 5th ed. American Library Association, 1970.