APA (7th ed.) Citation

SOBEL, R. (1963). Basic Facts to Improve Your Grades in United States History. Collier Books.

Chicago Style (17th ed.) Citation

SOBEL, Robert. Basic Facts to Improve Your Grades in United States History. Collier Books, 1963.

MLA (8th ed.) Citation

SOBEL, Robert. Basic Facts to Improve Your Grades in United States History. Collier Books, 1963.

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