APA (7th ed.) Citation

Coman, E. T. (1949). Sources of business information. Prentice-Hall.

Chicago Style (17th ed.) Citation

Coman, Edwin Truman. Sources of Business Information. N.Y.: Prentice-Hall, 1949.

MLA (8th ed.) Citation

Coman, Edwin Truman. Sources of Business Information. Prentice-Hall, 1949.