APA Citatie

G. Thompson, F. (2010). Four species of land snails from Costa Rica and Panama (Pulmonata: Spiraxidae).

Chicago Style citaat

G. Thompson, Fred. Four Species of Land Snails From Costa Rica and Panama (Pulmonata: Spiraxidae). 2010.

MLA citatie

G. Thompson, Fred. Four Species of Land Snails From Costa Rica and Panama (Pulmonata: Spiraxidae). 2010.

Let op: Deze citaties zijn niet altijd 100% accuraat.