APA Citation

Hall, H. (1961). Trigonometria Elemental. México, México D. F.: Uteha.

Chicago Style Citation

Hall, H. Trigonometria Elemental. México, México D. F.: Uteha, 1961.

MLA Citation

Hall, H. Trigonometria Elemental. México, México D. F.: Uteha, 1961.

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