APA (7th ed.) Citation

Kisa, A. C. (1905). Die Externsteine.

Chicago Style (17th ed.) Citation

Kisa, Anton Carel. Die Externsteine. 1905.

MLA (9th ed.) Citation

Kisa, Anton Carel. Die Externsteine. 1905.

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