APA-viite

Barbour, M. G. (1980). Terrestrial plant ecology. Benjamin/Cummings.

Chicago-tyylinen lähdeviittaus

Barbour, Michael G. Terrestrial Plant Ecology. Menlo park: Benjamin/Cummings, 1980.

MLA-viite

Barbour, Michael G. Terrestrial Plant Ecology. Benjamin/Cummings, 1980.