Martens, E. (1978). Was heißt Glück? Schroedel.
Chicago Style (17th ed.) CitationMartens, Ekkehard. Was Heißt Glück? Hannover [u.a.]: Schroedel, 1978.
MLA (8th ed.) CitationMartens, Ekkehard. Was Heißt Glück? Schroedel, 1978.
Warning: These citations may not always be 100% accurate.