Kranz, K., Richter, H., Haftmann, W., & Hofmann, W. (1975). Frühe Form-Reihen: 1927 - 1932 = dEarly form sequences. Christians.
Chicago Style (17th ed.) CitationKranz, Kurt, Hans Richter, Werner Haftmann, and Werner Hofmann. Frühe Form-Reihen: 1927 - 1932 = DEarly Form Sequences. Hamburg: Christians, 1975.
MLA (8th ed.) CitationKranz, Kurt, et al. Frühe Form-Reihen: 1927 - 1932 = DEarly Form Sequences. Christians, 1975.
Warning: These citations may not always be 100% accurate.