APA (7th ed.) Citation

Ullrich, H. (1971). Julius von Sachs: 1832 - 1897.

Chicago Style (17th ed.) Citation

Ullrich, Hermann. Julius Von Sachs: 1832 - 1897. 1971.

MLA (9th ed.) Citation

Ullrich, Hermann. Julius Von Sachs: 1832 - 1897. 1971.

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