APA-referens

Webster, R. (1983). Gems: Their sourse, descriptions and identification (4.).

Chicago-stil citat

Webster, Robert. Gems: Their Sourse, Descriptions and Identification. 4. Methuen & Company, London, 1983.

MLA-referens

Webster, Robert. Gems: Their Sourse, Descriptions and Identification. 4. 1983.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.