Cita APA (7th ed.)

Sorokin, . P. A. (1963). Modern historical and social philosophies. Dover.

Cita Chicago (17th ed.)

Sorokin, Pitirim A. Modern Historical and Social Philosophies. New York: Dover, 1963.

Cita MLA (9th ed.)

Sorokin, Pitirim A. Modern Historical and Social Philosophies. Dover, 1963.