APA (7th ed.) Citation

Mager, R. F. (1991). Preparing instructional objectives (Rev. 2. ed.). Kogan Page.

Chicago Style (17th ed.) Citation

Mager, Robert F. Preparing Instructional Objectives. Rev. 2. ed. London: Kogan Page, 1991.

MLA (9th ed.) Citation

Mager, Robert F. Preparing Instructional Objectives. Rev. 2. ed. Kogan Page, 1991.