APA (7th ed.) Citation

Urrutia, J. (1974). Graficas univocamente coloreables. MX.

Chicago Style (17th ed.) Citation

Urrutia, J. Graficas Univocamente Coloreables. MX, 1974.

MLA (8th ed.) Citation

Urrutia, J. Graficas Univocamente Coloreables. MX, 1974.

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