APA (7th ed.) Citation

Aurivillius, M. (1931). The Gorgonarians. Almqvist and Wiksells.

Chicago Style (17th ed.) Citation

Aurivillius, Magnus. The Gorgonarians. Stockholm: Almqvist and Wiksells, 1931.

MLA (9th ed.) Citation

Aurivillius, Magnus. The Gorgonarians. Almqvist and Wiksells, 1931.