Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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