APA (7th ed.) Citation

Lumley, P. F., & Spencer, R. (1991). Plant names: A guide to botanical nomenclature (2nd ed.). Royal Botanic Gardens.

Chicago Style (17th ed.) Citation

Lumley, P. F., and Roger Spencer. Plant Names: A Guide to Botanical Nomenclature. 2nd ed. Melbourne: Royal Botanic Gardens, 1991.

MLA (8th ed.) Citation

Lumley, P. F., and Roger Spencer. Plant Names: A Guide to Botanical Nomenclature. 2nd ed. Royal Botanic Gardens, 1991.