Cita APA (7a ed.)

Dobson, F. (1992). Lichens: An illustrated guide to the British and Irish species (4th rev. colour ed.). Richmond Publishing.

Cita Chicago Style (17a ed.)

Dobson, Frank. Lichens: An Illustrated Guide to the British and Irish Species. 4th rev. colour ed. Slough (England): Richmond Publishing, 1992.

Cita MLA (9a ed.)

Dobson, Frank. Lichens: An Illustrated Guide to the British and Irish Species. 4th rev. colour ed. Richmond Publishing, 1992.