APA (7th ed.) Citation

Ferguson, J. B., Cowan, T. D., & Horst. (1990). Living with flowers. Rizzoli International Publications.

Chicago Style (17th ed.) Citation

Ferguson, J. Barry, Thomas Dale Cowan, and Horst. Living with Flowers. New York, NY: Rizzoli International Publications, 1990.

MLA (9th ed.) Citation

Ferguson, J. Barry, et al. Living with Flowers. Rizzoli International Publications, 1990.