Cita APA (7th ed.)

Butterfield, E. C. (2012). Sartre and posthumanist humanism. Peter Lang.

Cita Chicago (17th ed.)

Butterfield, Elisabeth C. Sartre and Posthumanist Humanism. Frankfurt am Main: Peter Lang, 2012.

Cita MLA (9th ed.)

Butterfield, Elisabeth C. Sartre and Posthumanist Humanism. Peter Lang, 2012.