APA (7th ed.) Citation

National Information Center for Educational Media. (1973). Index to 16mm educational films (4th ed.).

Chicago Style (17th ed.) Citation

National Information Center for Educational Media. Index to 16mm Educational Films. 4th ed. Los Angeles, 1973.

MLA (8th ed.) Citation

National Information Center for Educational Media. Index to 16mm Educational Films. 4th ed. 1973.

Warning: These citations may not always be 100% accurate.