APA (7th ed.) Citation

Richardson, D. H. S. (1975). The vanishing lichens: Their history, biology and importance. David and Charles.

Chicago Style (17th ed.) Citation

Richardson, D. H. S. The Vanishing Lichens: Their History, Biology and Importance. Newton Abbot [etc.]: David and Charles, 1975.

MLA (8th ed.) Citation

Richardson, D. H. S. The Vanishing Lichens: Their History, Biology and Importance. David and Charles, 1975.