Principles of effective speaking;
a textbook for colleges and universities,
by William Phillips Sandford and Willard Hayes Yeager.

APA Citation

Sandford, W. Phillips., Yeager, W. Hayes. (1934). Principles of effective speaking: a textbook for colleges and universities. 3d ed., New York: T. Nelson and sons.

MLA Citation

Sandford, William Phillips, b. 1896, and Willard Hayes Yeager. Principles of Effective Speaking: a Textbook for Colleges And Universities. 3d ed., New York: T. Nelson and sons, 1934.

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