Gerlach, V. S., & Ely, D. P. (1971). Teaching and media: A systematic approach. Prentice-Hall.
Chicago Style (17th ed.) CitationGerlach, Vernon S., and Donald P. Ely. Teaching and Media: A Systematic Approach. Englewood Cliffs, N. J: Prentice-Hall, 1971.
MLA (9th ed.) CitationGerlach, Vernon S., and Donald P. Ely. Teaching and Media: A Systematic Approach. Prentice-Hall, 1971.
Warning: These citations may not always be 100% accurate.