APA (7th ed.) Zitazioa

(1954). Was Heisst Denken? Max Niemeyer.

Chicago Style (17th ed.) Zitazioa

Was Heisst Denken? Tubinga: Max Niemeyer, 1954.

MLA (9th ed.) Zitazioa

Was Heisst Denken? Max Niemeyer, 1954.