APA (7th ed.) Citation

Thompson, R., & Nelson, B. (2006). The butterflies and moths of Northern Ireland. National Museums Northern Ireland.

Chicago Style (17th ed.) Citation

Thompson, Robert, and Brian Nelson. The Butterflies and Moths of Northern Ireland. Belfast: National Museums Northern Ireland, 2006.

MLA (9th ed.) Citation

Thompson, Robert, and Brian Nelson. The Butterflies and Moths of Northern Ireland. National Museums Northern Ireland, 2006.