APA (7th ed.) Citation

Johannsen, O. A. North American Dixidæ. Wiley.

Chicago Style (17th ed.) Citation

Johannsen, O. A. North American Dixidæ. Wiley.

MLA (9th ed.) Citation

Johannsen, O. A. North American Dixidæ. Wiley.

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