APA
Cairns Jr J., Dickson K. L., . (1981). Biological Methods for The Assesment of Water Quality: A symposium presented at the Seventy-fifth Annual Meeting American Society for Testing and Materials. Cockeysville: American Society for Testing and Materials.
Chicago
Cairns Jr John, Dickson K L, . 1981. Biological Methods for The Assesment of Water Quality: A symposium presented at the Seventy-fifth Annual Meeting American Society for Testing and Materials. Cockeysville: American Society for Testing and Materials.
Harvard
Cairns Jr J., Dickson K. L., . (1981). Biological Methods for The Assesment of Water Quality: A symposium presented at the Seventy-fifth Annual Meeting American Society for Testing and Materials. Cockeysville: American Society for Testing and Materials.
MLA
Cairns Jr John, Dickson K L, . Biological Methods for The Assesment of Water Quality: A symposium presented at the Seventy-fifth Annual Meeting American Society for Testing and Materials. Cockeysville: American Society for Testing and Materials. 1981.