APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.