APA-viite

Fitter, A. H., & Hay, R. K. M. (1981). Environmental physiology of plants. Academic press.

Chicago-tyylinen lähdeviittaus

Fitter, A H., ja R K M. Hay. Environmental Physiology of Plants. London: Academic press, 1981.

MLA-viite

Fitter, A H., ja R K M. Hay. Environmental Physiology of Plants. Academic press, 1981.