Cita APA (7a ed.)

Harper, D. M. (1992). Eutrophication of freshwaters: Principles, problems and restoration. Chapman and Hall.

Cita Chicago Style (17a ed.)

Harper, David M. Eutrophication of Freshwaters: Principles, Problems and Restoration. Londres: Chapman and Hall, 1992.

Cita MLA (9a ed.)

Harper, David M. Eutrophication of Freshwaters: Principles, Problems and Restoration. Chapman and Hall, 1992.