APA (7th ed.) Citation

O'Connor, J., Nicolaus, M., Marcus, L., Kotz, D., & Mandel, E. (1971). Imperialismo hoy. Ediciones Periferia.

Chicago Style (17th ed.) Citation

O'Connor, James, Martin Nicolaus, Lyn Marcus, David Kotz, and Ernest Mandel. Imperialismo Hoy. Buenos Aires: Ediciones Periferia, 1971.

MLA (9th ed.) Citation

O'Connor, James, et al. Imperialismo Hoy. Ediciones Periferia, 1971.