Cita APA (7a ed.)

Curds, C. R., & Hawkes, H. (1975). Ecological aspects of used-water treatment. Academic Press.

Cita Chicago Style (17a ed.)

Curds, Colin R., y H.A Hawkes. Ecological Aspects of Used-water Treatment. London [etc.]: Academic Press, 1975.

Cita MLA (9a ed.)

Curds, Colin R., y H.A Hawkes. Ecological Aspects of Used-water Treatment. Academic Press, 1975.