Cita APA (7a ed.)

Doblin, J. (1981). Perspective: A new system for designer ([40th printing].). Whitney Library of Design.

Cita Chicago Style (17a ed.)

Doblin, Jay. Perspective: A New System for Designer. [40th printing]. New York: Whitney Library of Design, 1981.

Cita MLA (9a ed.)

Doblin, Jay. Perspective: A New System for Designer. [40th printing]. Whitney Library of Design, 1981.