APA-Zitierstil (7. Ausg.)

Sommerville, D. M. Y. (2005). The elements of non-euclidean geometry (Reissued, unabridged and unaltered republ. of the 1. ed., Bell, London, 1914.). Dover Publ.

Chicago-Zitierstil (17. Ausg.)

Sommerville, Duncan M'Laren Young. The Elements of Non-euclidean Geometry. Reissued, unabridged and unaltered republ. of the 1. ed., Bell, London, 1914. New York: Dover Publ, 2005.

MLA-Zitierstil (9. Ausg.)

Sommerville, Duncan M'Laren Young. The Elements of Non-euclidean Geometry. Reissued, unabridged and unaltered republ. of the 1. ed., Bell, London, 1914. Dover Publ, 2005.