APA (7th ed.) Citation

SHELFORD & Poulton. (1999). A naturalist in Borneo. Natural History Pub..

Chicago Style (17th ed.) Citation

SHELFORD and Poulton. A Naturalist in Borneo. Kota Kinabalu , Sabah: Natural History Pub., 1999.

MLA (9th ed.) Citation

SHELFORD and Poulton. A Naturalist in Borneo. Natural History Pub., 1999.