Cita APA (7a ed.)

Spencer, H., & Andreski, S. (1971). Herbert Spencer: Structure, function and evolution. Charles Scribner's Sons.

Cita Chicago Style (17a ed.)

Spencer, Herbert, y Stanislav Andreski. Herbert Spencer: Structure, Function and Evolution. New York: Charles Scribner's Sons, 1971.

Cita MLA (9a ed.)

Spencer, Herbert, y Stanislav Andreski. Herbert Spencer: Structure, Function and Evolution. Charles Scribner's Sons, 1971.