Cita APA (7th ed.)

Spencer, M. (1982). Foundations of modern sociology (3rd ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Spencer, Metta. Foundations of Modern Sociology. 3rd ed. Englewood Cliffs, N.J: Prentice-Hall, 1982.

Cita MLA (9th ed.)

Spencer, Metta. Foundations of Modern Sociology. 3rd ed. Prentice-Hall, 1982.

Atenció: Aquestes cites poden no estar 100% correctes.