Manning, H. P. (1963). Introductory non-euclidean geometry (First Dover edition.). Dover Publications.
Chicago Style (17th ed.) CitationManning, Henry Parker. Introductory Non-euclidean Geometry. First Dover edition. New York: Dover Publications, 1963.
MLA (9th ed.) CitationManning, Henry Parker. Introductory Non-euclidean Geometry. First Dover edition. Dover Publications, 1963.
Warning: These citations may not always be 100% accurate.