APA (7th ed.) Citation

Croghan, A. (1979). A bibliographic system for non-book media.

Chicago Style (17th ed.) Citation

Croghan, Antony. A Bibliographic System for Non-book Media. 1979.

MLA (9th ed.) Citation

Croghan, Antony. A Bibliographic System for Non-book Media. 1979.

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