Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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