APA (7th ed.) Citation

CLARK & Lyons. (2004). Graphics for learning: Proven guidelines for planning, designing, and evaluating visuals in training materials. Pfeiffer.

Chicago Style (17th ed.) Citation

CLARK and Lyons. Graphics for Learning: Proven Guidelines for Planning, Designing, and Evaluating Visuals in Training Materials. San Francisco: Pfeiffer, 2004.

MLA (9th ed.) Citation

CLARK and Lyons. Graphics for Learning: Proven Guidelines for Planning, Designing, and Evaluating Visuals in Training Materials. Pfeiffer, 2004.