Cita APA (7a ed.)

Erb, R. D., & Ross, S. R. (1981). United States relations with Mexico: Context and content. American Enterprise Institute.

Cita Chicago Style (17a ed.)

Erb, Richard D., y Stanley Robert Ross. United States Relations with Mexico: Context and Content. Washington: American Enterprise Institute, 1981.

Cita MLA (8a ed.)

Erb, Richard D., y Stanley Robert Ross. United States Relations with Mexico: Context and Content. American Enterprise Institute, 1981.