Barbour, M. G., & Billings, W. D. (1988). North American terrestrial vegetation / edited by Michael G. Barbour, William Dwight Billings. Cambridge University Press.
Chicago Style (17th ed.) CitationBarbour, Michael G., and William Dwight Billings. North American Terrestrial Vegetation / Edited by Michael G. Barbour, William Dwight Billings. Cambridge University Press, 1988.
MLA (9th ed.) CitationBarbour, Michael G., and William Dwight Billings. North American Terrestrial Vegetation / Edited by Michael G. Barbour, William Dwight Billings. Cambridge University Press, 1988.
Warning: These citations may not always be 100% accurate.