APA (7th ed.) Citation

Gilbert, O. (2000). Lichens. HarperCollins.

Chicago Style (17th ed.) Citation

Gilbert, O.L. Lichens. London: HarperCollins, 2000.

MLA (9th ed.) Citation

Gilbert, O.L. Lichens. HarperCollins, 2000.

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