APA (7th ed.) Citation

SpringerLink (Online service), Toledo, R., & Fried, B. (2011). Biomphalaria snails and larval trematodes. Springer eBooks..

Chicago Style (17th ed.) Citation

SpringerLink (Online service), Rafael Toledo, and Bernard Fried. "Biomphalaria Snails and Larval Trematodes." Springer EBooks. 2011.

MLA (9th ed.) Citation

SpringerLink (Online service), et al. "Biomphalaria Snails and Larval Trematodes." Springer EBooks., 2011.

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