Cita APA

Heath, J. (1981). Threatened Rhopalocera (butterflies) in Europe. Strasbourg: Council of Europe.

Citación estilo Chicago

Heath, John. Threatened Rhopalocera (butterflies) in Europe. Strasbourg: Council of Europe, 1981.

Cita MLA

Heath, John. Threatened Rhopalocera (butterflies) in Europe. Strasbourg: Council of Europe, 1981.

Precaución: Estas citas no son 100% exactas.