APA (7th ed.) Citation

Kotagama, S. (2018). Pictorial pocket guide to the common birds of Sri Lanka. Field Ornithology Group of Sri Lanka.

Chicago Style (17th ed.) Citation

Kotagama, Sarath. Pictorial Pocket Guide to the Common Birds of Sri Lanka. Colombo: Field Ornithology Group of Sri Lanka, 2018.

MLA (9th ed.) Citation

Kotagama, Sarath. Pictorial Pocket Guide to the Common Birds of Sri Lanka. Field Ornithology Group of Sri Lanka, 2018.

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