APA (7th ed.) Citation

Ascherson, P., & Graebner, P. (1902). Synopsis der Mitteleuropäischen Flora.

Chicago Style (17th ed.) Citation

Ascherson, Paul, and P. Graebner. Synopsis Der Mitteleuropäischen Flora. 1902.

MLA (9th ed.) Citation

Ascherson, Paul, and P. Graebner. Synopsis Der Mitteleuropäischen Flora. 1902.

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