APA Citation

Gumpert, M., Norden,Ruth, & Norden, H. (1941). First paper. New York: Duell, Sloan and Pearce.

Chicago Style Citation

Gumpert, Martin, Norden,Ruth, and Heinz Norden. First Paper. New York: Duell, Sloan and Pearce, 1941.

MLA Citation

Gumpert, Martin, Norden,Ruth, and Heinz Norden. First Paper. New York: Duell, Sloan and Pearce, 1941.

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