APA

Schwamb Peter, Merrill Allyne Litchfield, James Walter Herman & Doughtie Venton Levy. (1938). Elements of mechanism. New York: J. Wiley & Sons.

Chicago

Schwamb Peter, Merrill Allyne Litchfield, James Walter Herman and Doughtie Venton Levy. 1938. Elements of mechanism. New York: J. Wiley & Sons.

Harvard

Schwamb Peter, Merrill Allyne Litchfield, James Walter Herman and Doughtie Venton Levy. (1938). Elements of mechanism. New York: J. Wiley & Sons.

MLA

Schwamb Peter, Merrill Allyne Litchfield, James Walter Herman and Doughtie Venton Levy. Elements of mechanism. New York: J. Wiley & Sons. 1938.