Cita APA (7th ed.)

Winberg, G. G., & Edmondson, W. T. (1971). A manual on methods for the assessment of a secondary productivity in fresh waters. Blackwell Scientific Publications.

Cita Chicago (17th ed.)

Winberg, G. G., i W. T. Edmondson. A Manual on Methods for the Assessment of a Secondary Productivity in Fresh Waters. Oxford: Blackwell Scientific Publications, 1971.

Cita MLA (9th ed.)

Winberg, G. G., i W. T. Edmondson. A Manual on Methods for the Assessment of a Secondary Productivity in Fresh Waters. Blackwell Scientific Publications, 1971.