APA (7th ed.) Citation

Keng, H. (1993). Orders and families of seed plants of China. World Scientific.

Chicago Style (17th ed.) Citation

Keng, Hsuan. Orders and Families of Seed Plants of China. Singapore: World Scientific, 1993.

MLA (9th ed.) Citation

Keng, Hsuan. Orders and Families of Seed Plants of China. World Scientific, 1993.

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