APA Citation

Earth Science Curriculum Project. (1971). Investiguemos la Tierra. Cali, Colombia: Editorial Norma.

Chicago Style Citation

Earth Science Curriculum Project. Investiguemos La Tierra. Cali, Colombia: Editorial Norma, 1971.

MLA Citation

Earth Science Curriculum Project. Investiguemos La Tierra. Cali, Colombia: Editorial Norma, 1971.

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