Citazione Stile APA (7a Edizione)

Higgins, L. (1981). A revision of Phyciodes Hubner and related genera, with a review of the classification of the Melitaeinae (Lepidoptera: Nymphalidae). British Museum (Natural History).

Citazione stile Chigago Style (17a edizione)

Higgins, L.G. A Revision of Phyciodes Hubner and Related Genera, with a Review of the Classification of the Melitaeinae (Lepidoptera: Nymphalidae). London: British Museum (Natural History), 1981.

Citatione MLA (9a ed.)

Higgins, L.G. A Revision of Phyciodes Hubner and Related Genera, with a Review of the Classification of the Melitaeinae (Lepidoptera: Nymphalidae). British Museum (Natural History), 1981.