Principles of perspective

MLA

Walters, Nigel V. and John. Bromham. Principles of perspective. New York : Whitney Library of Design, [1974]

APA

Walters, N. & Bromham, J. (1974). Principles of perspective. New York : Whitney Library of Design.

Chicago

Walters, Nigel V. and John. Bromham. Principles of perspective. New York : Whitney Library of Design, [1974]