Franklin

MLA

Roberts, Larry S., Gerald D Schmidt, and John Janovy. Gerald D. Schmidt & Larry S. Roberts' Foundations of Parasitology. Eighth edition. .

APA

Roberts, L. S., Schmidt, G. D., & Janovy, J. Gerald D. Schmidt & Larry S. Roberts' foundations of parasitology. Eighth edition. .

Chicago

Roberts, Larry S., Gerald D. Schmidt, and John Janovy. Gerald D. Schmidt & Larry S. Roberts' Foundations of Parasitology. Eighth edition.