APA (7th ed.) Citation

Ray, R., MacCaskey, M., & Landis, M. (1981). Roses: How to select, grow, and enjoy. H.P. Books.

Chicago Style (17th ed.) Citation

Ray, Richard, Michael MacCaskey, and Michael Landis. Roses: How to Select, Grow, and Enjoy. Tucson, AZ: H.P. Books, 1981.

MLA (9th ed.) Citation

Ray, Richard, et al. Roses: How to Select, Grow, and Enjoy. H.P. Books, 1981.