Selected papers.

MLA

Reuther, Walter P, and H.M Christman. Selected Papers. New York: Macmillan, 1961.

APA

Reuther, W. P, & Christman, H. (1961). Selected papers. New York: Macmillan.

Chicago

Reuther, Walter P., and H.M Christman. Selected Papers. New York: Macmillan, 1961.