APA (7th ed.) Citation
Killeen I. J. & Moorkens E. A. (2003). Monitoring Desmoulin's Whorl Snail: Vertigo moulinsiana. English Nature.
Chicago Style (17th ed.) Citation
Killeen I. J. and Moorkens E. A. Monitoring Desmoulin's Whorl Snail: Vertigo Moulinsiana. English Nature, 2003.
MLA (9th ed.) Citation
Killeen I. J. and Moorkens E. A. Monitoring Desmoulin's Whorl Snail: Vertigo Moulinsiana. English Nature, 2003.
Warning: These citations may not always be 100% accurate.