Gram, M. S. (1983). Direct realism: A study of perception. Martinus Nijhoff Publishers, a member of the Kluwer Publishers Group.
Chicago Style (17th ed.) CitationGram, Moltke S. Direct Realism: A Study of Perception. The Hague: Martinus Nijhoff Publishers, a member of the Kluwer Publishers Group, 1983.
MLA (9th ed.) CitationGram, Moltke S. Direct Realism: A Study of Perception. Martinus Nijhoff Publishers, a member of the Kluwer Publishers Group, 1983.
Warning: These citations may not always be 100% accurate.