Cita APA (7a ed.)

Welch, P. S. (1948). Limnological methods. McGraw-Hill.

Cita Chicago Style (17a ed.)

Welch, Paul S. Limnological Methods. New York, USA: McGraw-Hill, 1948.

Cita MLA (9a ed.)

Welch, Paul S. Limnological Methods. McGraw-Hill, 1948.