APA (7th ed.) Citation

Hawksworth, D. L., & Rose, F. (1976). Lichens as pollution monitors. Edward Arnold.

Chicago Style (17th ed.) Citation

Hawksworth, D. L., and Francis Rose. Lichens as Pollution Monitors. London: Edward Arnold, 1976.

MLA (9th ed.) Citation

Hawksworth, D. L., and Francis Rose. Lichens as Pollution Monitors. Edward Arnold, 1976.

Warning: These citations may not always be 100% accurate.