APA (7th ed.) Citation

Keller, A. (1987). When machines teach, designing computer courseware. Harper & Row.

Chicago Style (17th ed.) Citation

Keller, Arnold. When Machines Teach, Designing Computer Courseware. New York: Harper & Row, 1987.

MLA (9th ed.) Citation

Keller, Arnold. When Machines Teach, Designing Computer Courseware. Harper & Row, 1987.