APA (7th ed.) Citation

Lewis, P. R. (1973). "Early Warning" Generic Medium Designations in Multimedia Catalogs.

Chicago Style (17th ed.) Citation

Lewis, Peter R. "Early Warning" Generic Medium Designations in Multimedia Catalogs. 1973.

MLA (9th ed.) Citation

Lewis, Peter R. "Early Warning" Generic Medium Designations in Multimedia Catalogs. 1973.

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