APA

Katz W. A., Gellatly P., . (1975). Guide to magazine and serial agents. New York: R. R. Bowker Co.

Chicago

Katz William A, Gellatly Peter, . 1975. Guide to magazine and serial agents. New York: R. R. Bowker Co.

Harvard

Katz W. A., Gellatly P., . (1975). Guide to magazine and serial agents. New York: R. R. Bowker Co.

MLA

Katz William A, Gellatly Peter, . Guide to magazine and serial agents. New York: R. R. Bowker Co. 1975.