Cita APA (7th ed.)

Falk, P. S. (1987). Petroleum and Mexico's future. Westview Press.

Cita Chicago (17th ed.)

Falk, Pamela S. Petroleum and Mexico's Future. Boulder: Westview Press, 1987.

Cita MLA (9th ed.)

Falk, Pamela S. Petroleum and Mexico's Future. Westview Press, 1987.