APA (7th ed.) Citation

Hausmann, A. (2001). The geometrid moths of Europe. Apollo Books.

Chicago Style (17th ed.) Citation

Hausmann, Axel. The Geometrid Moths of Europe. Stenstrup, Denmark: Apollo Books, 2001.

MLA (9th ed.) Citation

Hausmann, Axel. The Geometrid Moths of Europe. Apollo Books, 2001.

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