APA Цитирование

Tralau, H. (1964). The genus Trapella Oliver in the Tertiary of Europe. [s. n.].

Chicago-стиль цитирования

Tralau, Hans. The Genus Trapella Oliver in the Tertiary of Europe. Lund: [s. n.], 1964.

MLA-цитирование

Tralau, Hans. The Genus Trapella Oliver in the Tertiary of Europe. [s. n.], 1964.