APA (7th ed.) Citation

Calle, L. D. l. Two Nations Indivisible. Mexico, the United States and the Road Ahead. Universidad Nacional Autónoma de México.

Chicago Style (17th ed.) Citation

Calle, Luis De la. Two Nations Indivisible. Mexico, the United States and the Road Ahead. Universidad Nacional Autónoma de México.

MLA (9th ed.) Citation

Calle, Luis De la. Two Nations Indivisible. Mexico, the United States and the Road Ahead. Universidad Nacional Autónoma de México.

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