APA-referens (7:e uppl.)

Theiler, G. (1923). The strongylids and other nematodes parasitic in the intestinal tract of South African equines. The Government Printing and Stationery Off..

Chicago-referens (17:e uppl.)

Theiler, Gertrud. The Strongylids and Other Nematodes Parasitic in the Intestinal Tract of South African Equines. Pretoria: The Government Printing and Stationery Off., 1923.

MLA-referens (8:e uppl.)

Theiler, Gertrud. The Strongylids and Other Nematodes Parasitic in the Intestinal Tract of South African Equines. The Government Printing and Stationery Off., 1923.