APA (7th ed.) Citation

Böhlke, E., & Löns, H. "Mein goldenes Buch" op. 34a [VERLUST]. [s. n.].

Chicago Style (17th ed.) Citation

Böhlke, Erich, and Hermann Löns. "Mein Goldenes Buch" Op. 34a [VERLUST]. [s. l.]: [s. n.].

MLA (8th ed.) Citation

Böhlke, Erich, and Hermann Löns. "Mein Goldenes Buch" Op. 34a [VERLUST]. [s. n.].