APA (7th ed.) Citation

Gale Research Company, Ruffner, F. G., Jr., & Fisk, M. (1961). Encyclopedia of associations. Gale Research Co..

Chicago Style (17th ed.) Citation

Gale Research Company, Frederick G. Ruffner, Jr, and Margaret Fisk. Encyclopedia of Associations. Detroit: Gale Research Co., 1961.

MLA (9th ed.) Citation

Gale Research Company, et al. Encyclopedia of Associations. Gale Research Co., 1961.