Citazione Stile APA (7a Edizione)

Cullen, J. (1997). The identification of flowering plant families: Including a key to those native and cultivated in north temperate regions (4th ed., completely rev. and edited.). Cambridge University Press.

Citazione stile Chigago Style (17a edizione)

Cullen, J. The Identification of Flowering Plant Families: Including a Key to Those Native and Cultivated in North Temperate Regions. 4th ed., completely rev. and edited. Cambridge, UK ; New York: Cambridge University Press, 1997.

Citatione MLA (9a ed.)

Cullen, J. The Identification of Flowering Plant Families: Including a Key to Those Native and Cultivated in North Temperate Regions. 4th ed., completely rev. and edited. Cambridge University Press, 1997.