APA (7th ed.) Citation

Mager, R. F. (1962). Preparing instructional objectives. Lear Siegler.

Chicago Style (17th ed.) Citation

Mager, Robert F. Preparing Instructional Objectives. Los Angeles: Lear Siegler, 1962.

MLA (9th ed.) Citation

Mager, Robert F. Preparing Instructional Objectives. Lear Siegler, 1962.