APA (7th ed.) Citation

Jantzen, H., & Jantzen, F. Naturdenkmale Hessens.

Chicago Style (17th ed.) Citation

Jantzen, Heidrun, and Friedrich Jantzen. Naturdenkmale Hessens.

MLA (8th ed.) Citation

Jantzen, Heidrun, and Friedrich Jantzen. Naturdenkmale Hessens.

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