APA Citation

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

Chicago Style Citation

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

MLA Citation

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

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