Παραπομπή σε μορφή APA (7η εκδ.)

Parkin, R. (1996). The dark side of humanity: The work of Robert Hertz and its legacy. Harwood Academic.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Parkin, Robert. The Dark Side of Humanity: The Work of Robert Hertz and Its Legacy. Australia: Harwood Academic, 1996.

Παραπομπή σε μορφή MLA (9th εκδ.)

Parkin, Robert. The Dark Side of Humanity: The Work of Robert Hertz and Its Legacy. Harwood Academic, 1996.