Smail, L. L. (1952). Trigonometry: Plane and spherical. McGraw-Hill.
Chicago Style (17th ed.) CitationSmail, Lloyd Leroy. Trigonometry: Plane and Spherical. New York: McGraw-Hill, 1952.
MLA (9th ed.) CitationSmail, Lloyd Leroy. Trigonometry: Plane and Spherical. McGraw-Hill, 1952.
Warning: These citations may not always be 100% accurate.