APA (7. basım) Alıntı

Gumplowicz, L., & Horowitz, I. L. (1963). Outlines of sociology ([2nd English language ed.].). Paine-Whitman.

Chicago Style (17. basım) Atıf

Gumplowicz, Ludwig, ve Irving Louis Horowitz. Outlines of Sociology. [2nd English language ed.]. New York: Paine-Whitman, 1963.

MLA (9th ed.) Atıf

Gumplowicz, Ludwig, ve Irving Louis Horowitz. Outlines of Sociology. [2nd English language ed.]. Paine-Whitman, 1963.