APA (7th ed.) Citation

Ross, H. (1921). Echte Pfefferminz. [Hertlein].

Chicago Style (17th ed.) Citation

Ross, Hermann. Echte Pfefferminz. München: [Hertlein], 1921.

MLA (9th ed.) Citation

Ross, Hermann. Echte Pfefferminz. [Hertlein], 1921.

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