APA (7th ed.) Citation

Whiten, F., Whiten, G., & Goard, D. (1982). The Chelsea Flower Show. Elm Tree Books.

Chicago Style (17th ed.) Citation

Whiten, Faith, Geoff Whiten, and Derek Goard. The Chelsea Flower Show. London: Elm Tree Books, 1982.

MLA (9th ed.) Citation

Whiten, Faith, et al. The Chelsea Flower Show. Elm Tree Books, 1982.