APA (7th ed.) Citation

Griffiths, M. (1994). Index of garden plants (1. publ. in North America.). Timber Press.

Chicago Style (17th ed.) Citation

Griffiths, Mark. Index of Garden Plants. 1. publ. in North America. Portland, Or: Timber Press, 1994.

MLA (9th ed.) Citation

Griffiths, Mark. Index of Garden Plants. 1. publ. in North America. Timber Press, 1994.