APA (7th ed.) Citation

Walther, E., & Walther, E. (1896). Erna Walther's Buch.

Chicago Style (17th ed.) Citation

Walther, Emmy, and Erna Walther. Erna Walther's Buch. [Dachau, 1896.

MLA (9th ed.) Citation

Walther, Emmy, and Erna Walther. Erna Walther's Buch. 1896.

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