Cita APA

National Council of Teachers of Mathematics, U.S.A. (1970). Geometría informal. Trillas.

Citación estilo Chicago

National Council of Teachers of Mathematics, U.S.A. Geometría Informal. Ciudad de México: Trillas, 1970.

Cita MLA

National Council of Teachers of Mathematics, U.S.A. Geometría Informal. Trillas, 1970.

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