APA (7th ed.) Citation

Christopher, M., Wooster, S., & Hinkley, D. J. (2006). Late summer flowers. Timber Press, Inc..

Chicago Style (17th ed.) Citation

Christopher, Marina, Steven Wooster, and Daniel J. Hinkley. Late Summer Flowers. Portland, OR: Timber Press, Inc., 2006.

MLA (9th ed.) Citation

Christopher, Marina, et al. Late Summer Flowers. Timber Press, Inc., 2006.