APA (7th ed.) Citation

Sills, D. L. (1968). International encyclopedia of the social sciences. Macmillan.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Sills, David L. International Encyclopedia of the Social Sciences. Macmillan, 1968.

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