APA (7th ed.) Citation

Papaworth, D., Legge, B., & Prockter, N. (1987). An illustrated guide to garden flowers. Salamander Book.

Chicago Style (17th ed.) Citation

Papaworth, David, Bob Legge, and Noel Prockter. An Illustrated Guide to Garden Flowers. London: Salamander Book, 1987.

MLA (9th ed.) Citation

Papaworth, David, et al. An Illustrated Guide to Garden Flowers. Salamander Book, 1987.