APA (7th ed.) Citation

Nelson, G. (1965). Problems of design (2. ed.). Whitney Libr. of Design.

Chicago Style (17th ed.) Citation

Nelson, George. Problems of Design. 2. ed. New York: Whitney Libr. of Design, 1965.

MLA (9th ed.) Citation

Nelson, George. Problems of Design. 2. ed. Whitney Libr. of Design, 1965.