The art of argument,
by Harold F. Graves and Carle B. Spotts.

APA Citation

Graves, H. Frank., Spotts, C. Brooks. (1927). The art of argument. New York: Prentice-Hall, inc..

MLA Citation

Graves, Harold Frank, 1898-, and Carle Brooks Spotts. The Art of Argument. New York: Prentice-Hall, inc., 1927.

Warning: These citations may not always be complete (especially for serials).