APA

Plantlife International, Joint Nature Conservation Committee & Royal Botanic Gardens. (2007). Plant diversity challenge. Peterborough: Joint Nature Conservation Committee.

Chicago

Plantlife International, Joint Nature Conservation Committee and Royal Botanic Gardens. 2007. Plant diversity challenge. Peterborough: Joint Nature Conservation Committee.

Harvard

Plantlife International, Joint Nature Conservation Committee and Royal Botanic Gardens. (2007). Plant diversity challenge. Peterborough: Joint Nature Conservation Committee.

MLA

Plantlife International, Joint Nature Conservation Committee and Royal Botanic Gardens. Plant diversity challenge. Peterborough: Joint Nature Conservation Committee. 2007.