APA (7th ed.) Citation

CLARKSON, D. R. (1964). Understanding to days mathematics - Donald R. Clarkson, Robert S. Hansen. The Shoe string Press.

Chicago Style (17th ed.) Citation

CLARKSON, Donald R. Understanding to Days Mathematics - Donald R. Clarkson, Robert S. Hansen. The Shoe string Press, 1964.

MLA (8th ed.) Citation

CLARKSON, Donald R. Understanding to Days Mathematics - Donald R. Clarkson, Robert S. Hansen. The Shoe string Press, 1964.

Warning: These citations may not always be 100% accurate.