Παραπομπή APA

Crofton, H. D. (1966). Nematodes. Hutchinson University library.

Παραπομπή Chicago Style

Crofton, H D. Nematodes. London: Hutchinson University library, 1966.

Παραπομπή MLA

Crofton, H D. Nematodes. Hutchinson University library, 1966.