APA (7th ed.) Citation

Leighton, W. A. (1879). The lichen-flora of Great Britain, Ireland, and the Channel Islands (3. ed.).

Chicago Style (17th ed.) Citation

Leighton, William Allport. The Lichen-flora of Great Britain, Ireland, and the Channel Islands. 3. ed. Shrewsbury, 1879.

MLA (9th ed.) Citation

Leighton, William Allport. The Lichen-flora of Great Britain, Ireland, and the Channel Islands. 3. ed. 1879.