APA (7th ed.) Citation

Walther, R., & Strauss, M. (1967). Polytechnical dictionary. Pergamon Press.

Chicago Style (17th ed.) Citation

Walther, Rudolf, and Martin Strauss. Polytechnical Dictionary. Oxford ; New York: Pergamon Press, 1967.

MLA (8th ed.) Citation

Walther, Rudolf, and Martin Strauss. Polytechnical Dictionary. Pergamon Press, 1967.

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