Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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