APA (7th ed.) Citation

Banks, P. N. (1985). A selection of the butterflies of Sri Lanka. Lake House.

Chicago Style (17th ed.) Citation

Banks, P. N. A Selection of the Butterflies of Sri Lanka. Colombo: Lake House, 1985.

MLA (9th ed.) Citation

Banks, P. N. A Selection of the Butterflies of Sri Lanka. Lake House, 1985.

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