Cita APA

Gumplowicz, L. (1980). Outlines of sociology. Transaction Books.

Citación estilo Chicago

Gumplowicz, Ludwig. Outlines of Sociology. New Brunswick, N.J.: Transaction Books, 1980.

Cita MLA

Gumplowicz, Ludwig. Outlines of Sociology. Transaction Books, 1980.

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