APA (7th ed.) Citation

Richardson, D. H. S., & Dalby, C. (1992). Pollution monitoring with lichens. Richmond Publishing.

Chicago Style (17th ed.) Citation

Richardson, D. H. S., and C. Dalby. Pollution Monitoring with Lichens. Slough: Richmond Publishing, 1992.

MLA (9th ed.) Citation

Richardson, D. H. S., and C. Dalby. Pollution Monitoring with Lichens. Richmond Publishing, 1992.

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