APA (7th ed.) Citation

Hogan, E. (2009). Nitrogen-phosphorus relationships in lichens.

Chicago Style (17th ed.) Citation

Hogan, Erika. Nitrogen-phosphorus Relationships in Lichens. 2009.

MLA (9th ed.) Citation

Hogan, Erika. Nitrogen-phosphorus Relationships in Lichens. 2009.

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