Cita APA

Spencer, H. 1., & Andreski, S. (1971). Herbert Spencer: Structure function and evolution. London, Sydney: Michael Joseph.

Citación estilo Chicago

Spencer, Herbert 1820-1903, y Stanislav Andreski. Herbert Spencer: Structure Function and Evolution. London, Sydney: Michael Joseph, 1971.

Cita MLA

Spencer, Herbert 1820-1903, y Stanislav Andreski. Herbert Spencer: Structure Function and Evolution. London, Sydney: Michael Joseph, 1971.