Cita APA

Etherington, J. R., & Etherington, J. R. (1975). Environmental and plant ecology. London: J. Wiley.

Citación estilo Chicago

Etherington, John R., y John R. Etherington. Environmental and Plant Ecology. London: J. Wiley, 1975.

Cita MLA

Etherington, John R., y John R. Etherington. Environmental and Plant Ecology. London: J. Wiley, 1975.