APA (7th ed.) Citation

Hartkopf, R. (1971). Math without tears. Emerson Books.

Chicago Style (17th ed.) Citation

Hartkopf, Roy. Math Without Tears. New York: Emerson Books, 1971.

MLA (9th ed.) Citation

Hartkopf, Roy. Math Without Tears. Emerson Books, 1971.

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