APA (7th ed.) Citation

Ritschl, G. (1850). Flora des Grossherzogthums Posen. E. S. Mittler.

Chicago Style (17th ed.) Citation

Ritschl, Georg. Flora Des Grossherzogthums Posen. Berlin: E. S. Mittler, 1850.

MLA (9th ed.) Citation

Ritschl, Georg. Flora Des Grossherzogthums Posen. E. S. Mittler, 1850.

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