APA-Zitierstil (7. Ausg.)

Wells, D. (1991). The Penguin dictionary of curious and interesting geometry (1. publ.). Penguin Books.

Chicago-Zitierstil (17. Ausg.)

Wells, David. The Penguin Dictionary of Curious and Interesting Geometry. 1. publ. London u.a: Penguin Books, 1991.

MLA-Zitierstil (9. Ausg.)

Wells, David. The Penguin Dictionary of Curious and Interesting Geometry. 1. publ. Penguin Books, 1991.