APA (7th ed.) Citation

Gram, M. S. (1983). Direct realism: A study of perception. Martinus Nijhoff.

Chicago Style (17th ed.) Citation

Gram, Moltke S. Direct Realism: A Study of Perception. The Hague: Martinus Nijhoff, 1983.

MLA (8th ed.) Citation

Gram, Moltke S. Direct Realism: A Study of Perception. Martinus Nijhoff, 1983.

Warning: These citations may not always be 100% accurate.