APA (7th ed.) Citation

Ricker, W. E. (1968). Methods for assessment of fish production in fresh waters. Published for the International Biological Programme by Blackwell Scientific.

Chicago Style (17th ed.) Citation

Ricker, William Edwin. Methods for Assessment of Fish Production in Fresh Waters. Oxford: Published for the International Biological Programme by Blackwell Scientific, 1968.

MLA (9th ed.) Citation

Ricker, William Edwin. Methods for Assessment of Fish Production in Fresh Waters. Published for the International Biological Programme by Blackwell Scientific, 1968.