Cita APA (7a ed.)

Dobson, F. (1992). Lichens: An illustrated guide to the British and Irish species ([3rd enl. ed.].). Richmond Publishing.

Cita Chicago Style (17a ed.)

Dobson, Frank. Lichens: An Illustrated Guide to the British and Irish Species. [3rd enl. ed.]. Slough: Richmond Publishing, 1992.

Cita MLA (9a ed.)

Dobson, Frank. Lichens: An Illustrated Guide to the British and Irish Species. [3rd enl. ed.]. Richmond Publishing, 1992.