APA (7th ed.) Citation

Educators' guide to free filmstrips. 1st- ed. 1949-. Educators Progress Service.

Chicago Style (17th ed.) Citation

Educators' Guide to Free Filmstrips. 1st- Ed. 1949-. Randolph, Wis: Educators Progress Service.

MLA (9th ed.) Citation

Educators' Guide to Free Filmstrips. 1st- Ed. 1949-. Educators Progress Service.

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