Cita APA

Polon, D. D. (1965). Encyclopedia of engineering signs and symbols. Odyssey Press.

Citación estilo Chicago

Polon, David D. Encyclopedia of Engineering Signs and Symbols. New York: Odyssey Press, 1965.

Cita MLA

Polon, David D. Encyclopedia of Engineering Signs and Symbols. Odyssey Press, 1965.

Warning: These citations may not always be 100% accurate.