APA (7th ed.) Citation

Schulz, O. E. (1927). Cruciferae - Draba et Erophila. Wilhelm Engelmann.

Chicago Style (17th ed.) Citation

Schulz, O. E. Cruciferae - Draba Et Erophila. Leipzig: Wilhelm Engelmann, 1927.

MLA (8th ed.) Citation

Schulz, O. E. Cruciferae - Draba Et Erophila. Wilhelm Engelmann, 1927.

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