Cita APA (7a ed.)

Mulac, C. (2012). Fundamentals of reference. American Library Association.

Cita Chicago Style (17a ed.)

Mulac, Carolyn. Fundamentals of Reference. Chicago, Ill.: American Library Association, 2012.

Cita MLA (9a ed.)

Mulac, Carolyn. Fundamentals of Reference. American Library Association, 2012.