APA (7th ed.) Citation

Sills, D. L., & Merton, R. K. (1968). International encyclopedia of the social sciences. Macmillan.

Chicago Style (17th ed.) Citation

Sills, David L., and Robert King Merton. International Encyclopedia of the Social Sciences. [New York]: Macmillan, 1968.

MLA (8th ed.) Citation

Sills, David L., and Robert King Merton. International Encyclopedia of the Social Sciences. Macmillan, 1968.