Παραπομπή σε μορφή APA (7η εκδ.)

Gear, J. H. S., & Pitchford, R. J. (1988). Bilharzia in South Africa (2nd ed.). Dept. of National Health and Population Development.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gear, James H. S., και R. J. Pitchford. Bilharzia in South Africa. 2nd ed. Pretoria: Dept. of National Health and Population Development, 1988.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gear, James H. S., και R. J. Pitchford. Bilharzia in South Africa. 2nd ed. Dept. of National Health and Population Development, 1988.