APA (7th ed.) Citation

O'Neil, H. F. (1981). Computer based instruction: A state of the art assessment. Academic Press.

Chicago Style (17th ed.) Citation

O'Neil, Harold F. Computer Based Instruction: A State of the Art Assessment. Nueva York: Academic Press, 1981.

MLA (9th ed.) Citation

O'Neil, Harold F. Computer Based Instruction: A State of the Art Assessment. Academic Press, 1981.