APA (7th ed.) Citation

Heywood, V. H. . [. .. (2007). Flowering plant families of the world. Richmond Hill, Ont. : Firefly Books.

Chicago Style (17th ed.) Citation

Heywood, V. H. []. Flowering Plant Families of the World. Buffalo, N.Y.: Richmond Hill, Ont. : Firefly Books, 2007.

MLA (9th ed.) Citation

Heywood, V. H. []. Flowering Plant Families of the World. Richmond Hill, Ont. : Firefly Books, 2007.