Citazione Stile APA (7a Edizione)

Allen, H. W. (1972). A monographic study of the subfamily Tiphiinae, Hymenoptera: Tiphiidae, of South America. Smithsonian Institution.

Citazione stile Chigago Style (17a edizione)

Allen, Harry W. A Monographic Study of the Subfamily Tiphiinae, Hymenoptera: Tiphiidae, of South America. Washington, D.C: Smithsonian Institution, 1972.

Citatione MLA (9a ed.)

Allen, Harry W. A Monographic Study of the Subfamily Tiphiinae, Hymenoptera: Tiphiidae, of South America. Smithsonian Institution, 1972.