Cita APA (7th ed.)

(1962). Hans Purrmann, Rudolf Levy, Oskar Moll.

Cita Chicago (17th ed.)

Hans Purrmann, Rudolf Levy, Oskar Moll. Frankfurt am Main, 1962.

Cita MLA (8th ed.)

Hans Purrmann, Rudolf Levy, Oskar Moll. 1962.