APA (7th ed.) Citation

Gerlach, V. S. (1980). Teaching and media: A systematic approach.

Chicago Style (17th ed.) Citation

Gerlach, Vernon S. Teaching and Media: A Systematic Approach. 1980.

MLA (8th ed.) Citation

Gerlach, Vernon S. Teaching and Media: A Systematic Approach. 1980.

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