एपीए उद्धरण

Williams, K. S. (1996). Redbook of mathematical problems. Dover Publications.

शिकागो स्टाइल उद्धरण

Williams, Kenneth S. Redbook of Mathematical Problems. New York: Dover Publications, 1996.

एमएलए उद्धरण

Williams, Kenneth S. Redbook of Mathematical Problems. Dover Publications, 1996.