APA (7th ed.) Citation

McCallum, L. W. (1985). CATGEN: A Computer Assisted Test Generator. Teaching of Psychology, 12(1), 45.

Chicago Style (17th ed.) Citation

McCallum, L. W. "CATGEN: A Computer Assisted Test Generator." Teaching of Psychology 12, no. 1 (1985): 45.

MLA (9th ed.) Citation

McCallum, L. W. "CATGEN: A Computer Assisted Test Generator." Teaching of Psychology, vol. 12, no. 1, 1985, p. 45.