APA (7th ed.) Citation

Widmann, P. A guide to: The ecosystems of Palawan. Visca-Gtz Program on applied tropical Ecology.

Chicago Style (17th ed.) Citation

Widmann, Peter. A Guide to: The Ecosystems of Palawan. Philippines: Visca-Gtz Program on applied tropical Ecology.

MLA (9th ed.) Citation

Widmann, Peter. A Guide to: The Ecosystems of Palawan. Visca-Gtz Program on applied tropical Ecology.