APA (7th ed.) Citation

National Council of Teachers of Mathematics. Geometría informal (1a ed., 6a reimpresión.).

Chicago Style (17th ed.) Citation

National Council of Teachers of Mathematics. Geometría Informal. 1a ed., 6a reimpresión.

MLA (8th ed.) Citation

National Council of Teachers of Mathematics. Geometría Informal. 1a ed., 6a reimpresión.

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