APA (7th ed.) Citation

Keller, O. (1905). Hunderassen im Altertum.

Chicago Style (17th ed.) Citation

Keller, O. Hunderassen Im Altertum. 1905.

MLA (9th ed.) Citation

Keller, O. Hunderassen Im Altertum. 1905.

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