Lichens :
an illustrated guide /
by Frank Dobson.

APA Citation

Dobson, F. (Frank S.). (1981). Lichens: an illustrated guide. 2nd rev. and corrected ed. Richmond, Surrey: Richmond Publishing Co..

MLA Citation

Dobson, Frank (Frank S.). Lichens: an Illustrated Guide. 2nd rev. and corrected ed. Richmond, Surrey: Richmond Publishing Co., 1981.

Warning: These citations may not always be complete (especially for serials).