APA (7th ed.) Citation

Unwin, D. (1978). The Encyclopedia of educational media communication and technology. Macmillan.

Chicago Style (17th ed.) Citation

Unwin, Derick. The Encyclopedia of Educational Media Communication and Technology. London: Macmillan, 1978.

MLA (9th ed.) Citation

Unwin, Derick. The Encyclopedia of Educational Media Communication and Technology. Macmillan, 1978.

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