APA (7th ed.) Citation

Sills, D. L. (1968). International encyclopedia of the social sciences. MacMillan [etc.].

Chicago Style (17th ed.) Citation

Sills, David L. International Encyclopedia of the Social Sciences. New York: MacMillan [etc.], 1968.

MLA (9th ed.) Citation

Sills, David L. International Encyclopedia of the Social Sciences. MacMillan [etc.], 1968.

Warning: These citations may not always be 100% accurate.