APA (7th ed.) Citation

Addison, G. H., Henderson, M. R., & Addison, G. H. (1961). Malayan Orchid Hybrids. Gov. Print. Office.

Chicago Style (17th ed.) Citation

Addison, G. H., Murray Ross Henderson, and G. H. Addison. Malayan Orchid Hybrids. Singapore: Gov. Print. Office, 1961.

MLA (9th ed.) Citation

Addison, G. H., et al. Malayan Orchid Hybrids. Gov. Print. Office, 1961.