Rich, B., & Thomas, C. (2018). Schaum's Outline of Geometry, Sixth Edition (6th edition.). McGraw-Hill Education.
Chicago Style (17th ed.) CitationRich, Barnett, and Christopher Thomas. Schaum's Outline of Geometry, Sixth Edition. 6th edition. New York, N.Y.: McGraw-Hill Education, 2018.
MLA (9th ed.) CitationRich, Barnett, and Christopher Thomas. Schaum's Outline of Geometry, Sixth Edition. 6th edition. McGraw-Hill Education, 2018.
Warning: These citations may not always be 100% accurate.