Perspective.

MLA

Vredeman de Vries, Hans, and Adolf K Placzek. Perspective. New York City: Dover Publications, 1968.

APA

Vredeman de Vries, H., & Placzek, A. K. (1968). Perspective. New York City: Dover Publications.

Chicago

Vredeman de Vries, Hans, and Adolf K Placzek. Perspective. New York City: Dover Publications, 1968.