APA引文

Sheehy, E. P. (1976). Guide to reference books (9th ed.). American Library Association.

Chicago Style (17th ed.) Citation

Sheehy, Eugene Paul. Guide to Reference Books. 9th ed. Chicago: American Library Association, 1976.

MLA引文

Sheehy, Eugene Paul. Guide to Reference Books. 9th ed. American Library Association, 1976.