APA (7th ed.) Citation

Austwick, K., & Harris, N. D. (1972). Aspects of educational technology. Pitman.

Chicago Style (17th ed.) Citation

Austwick, K., and N. D. Harris. Aspects of Educational Technology. Londres: Pitman, 1972.

MLA (9th ed.) Citation

Austwick, K., and N. D. Harris. Aspects of Educational Technology. Pitman, 1972.