APA (7th ed.) Citation

Posamentier, A. S. (1996). Challnging Problems in Geometry. Dover Publications, inc.

Chicago Style (17th ed.) Citation

Posamentier, Alfred S. Challnging Problems in Geometry. Dover Publications, inc, 1996.

MLA (8th ed.) Citation

Posamentier, Alfred S. Challnging Problems in Geometry. Dover Publications, inc, 1996.

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