APA (7th ed.) Citation

Posner, C. (1921). Rudolf Virchow. : Rikola.

Chicago Style (17th ed.) Citation

Posner, Carl. Rudolf Virchow. Wien [etc.]: : Rikola, 1921.

MLA (9th ed.) Citation

Posner, Carl. Rudolf Virchow. : Rikola, 1921.

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