APA (7th ed.) Citation

Cullen, J. (2006). Practical plant identification: Including a key to native and cultivated flowering plants in north temperate regions. Cambridge University Press.

Chicago Style (17th ed.) Citation

Cullen, J. Practical Plant Identification: Including a Key to Native and Cultivated Flowering Plants in North Temperate Regions. Cambridge, UK, New York: Cambridge University Press, 2006.

MLA (9th ed.) Citation

Cullen, J. Practical Plant Identification: Including a Key to Native and Cultivated Flowering Plants in North Temperate Regions. Cambridge University Press, 2006.