APA (7th ed.) Citation

Dobson, F. (2006). A field key to common churchyard lichens: (and to the commoner species found elsewhere on stone, fences and gates (Rev. 2nd ed.). Frank S. Dobson.

Chicago Style (17th ed.) Citation

Dobson, Frank. A Field Key to Common Churchyard Lichens: (and to the Commoner Species Found Elsewhere on Stone, Fences and Gates. Rev. 2nd ed. New Malden (Surrey): Frank S. Dobson, 2006.

MLA (9th ed.) Citation

Dobson, Frank. A Field Key to Common Churchyard Lichens: (and to the Commoner Species Found Elsewhere on Stone, Fences and Gates. Rev. 2nd ed. Frank S. Dobson, 2006.