APA (7th ed.) Citation

Ruffert, B. (1888). Volapuk-Liederbuch. Kriebel.

Chicago Style (17th ed.) Citation

Ruffert, B. Volapuk-Liederbuch. Hamburg: Kriebel, 1888.

MLA (9th ed.) Citation

Ruffert, B. Volapuk-Liederbuch. Kriebel, 1888.

Warning: These citations may not always be 100% accurate.