APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Gerlach, Vernon S., and Donald P. Ely. Teaching and Media: A Systematic Approach. Englewood Cliffs, N. J: Prentice-Hall, 1971.

MLA (9th ed.) Citation

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