APA Citation

México. National Council of Teacher of Mathematics. (1970). Geometría informal. México: Trillas.

Chicago Style Citation

México. National Council of Teacher of Mathematics. Geometría Informal. México: Trillas, 1970.

MLA Citation

México. National Council of Teacher of Mathematics. Geometría Informal. México: Trillas, 1970.

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