APA (7th ed.) Citation

Lobachevskiĭ, N. I. (1914). Geometrical researches on the theory of parellels (New ed.). Open Court Pub. Co..

Chicago Style (17th ed.) Citation

Lobachevskiĭ, N. I. Geometrical Researches on the Theory of Parellels. New ed. Chicago: Open Court Pub. Co., 1914.

MLA (9th ed.) Citation

Lobachevskiĭ, N. I. Geometrical Researches on the Theory of Parellels. New ed. Open Court Pub. Co., 1914.