Cita APA (7th ed.)

Barbour, M. G., Burk, J. H., & Pitts, W. D. (1980). Terrestrial plant ecology. The Benjamin/Cumming Pub. Co.

Cita Chicago (17th ed.)

Barbour, Michael G., Jack H. Burk, i Wanna D. Pitts. Terrestrial Plant Ecology. Menlo Park, California: The Benjamin/Cumming Pub. Co, 1980.

Cita MLA (9th ed.)

Barbour, Michael G., et al. Terrestrial Plant Ecology. The Benjamin/Cumming Pub. Co, 1980.