APA (7th ed.) Citation

Keng, H. (1990). The concise flora of Singapore gymnosperms and dicotyledons. Singapore university press.

Chicago Style (17th ed.) Citation

Keng, Hsuan. The Concise Flora of Singapore Gymnosperms and Dicotyledons. Singapore university press, 1990.

MLA (8th ed.) Citation

Keng, Hsuan. The Concise Flora of Singapore Gymnosperms and Dicotyledons. Singapore university press, 1990.

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