Cita APA (7th ed.)

Ballou, H. W. (1959). Guide to microreproduction equipment. National Microfilm Association.

Cita Chicago (17th ed.)

Ballou, Hubbard W. Guide to Microreproduction Equipment. Annapolis, Md: National Microfilm Association, 1959.

Cita MLA (9th ed.)

Ballou, Hubbard W. Guide to Microreproduction Equipment. National Microfilm Association, 1959.