APA (7th ed.) Citation

Bucknill,John A.S. (1990). Birds of Singapore and south-east Asia. Graham Brash pte.ltd..

Chicago Style (17th ed.) Citation

Bucknill,John A.S. Birds of Singapore and South-east Asia. Singapore: Graham Brash pte.ltd., 1990.

MLA (9th ed.) Citation

Bucknill,John A.S. Birds of Singapore and South-east Asia. Graham Brash pte.ltd., 1990.

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