APA (7th ed.) Citation

Clay, H. F., Hubbard, J. C., & Golt, R. (1977). Tropical shrubs. University Press of Hawaii.

Chicago Style (17th ed.) Citation

Clay, Horace F., James C. Hubbard, and Rick Golt. Tropical Shrubs. Honolulu: University Press of Hawaii, 1977.

MLA (9th ed.) Citation

Clay, Horace F., et al. Tropical Shrubs. University Press of Hawaii, 1977.