APA (7th ed.) Citation

WEE. (1992). A guide to medicinal plants. Singapore Science Centre.

Chicago Style (17th ed.) Citation

WEE. A Guide to Medicinal Plants. Singapore: Singapore Science Centre, 1992.

MLA (9th ed.) Citation

WEE. A Guide to Medicinal Plants. Singapore Science Centre, 1992.

Warning: These citations may not always be 100% accurate.