Cita APA (7th ed.)

Harper, D. M., & Ferguson, A. J. D. (1995). The ecological basis for river management. Wiley.

Cita Chicago (17th ed.)

Harper, David M., i Alaistair J. D. Ferguson. The Ecological Basis for River Management. Chichester, England, United Kingdom: Wiley, 1995.

Cita MLA (9th ed.)

Harper, David M., i Alaistair J. D. Ferguson. The Ecological Basis for River Management. Wiley, 1995.