APA Edition Citation

Gerlach, V. S., & Ely , D. P. (1971). Teaching and media: A systematic approach.

Chicago Edition Citation

Gerlach, Vernon S., and Donald P. Ely. Teaching and Media: A Systematic Approach. 1971.

MLA Edition Citation

Gerlach, Vernon S., and Donald P. Ely. Teaching and Media: A Systematic Approach. 1971.

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