APA (7th ed.) Citation

Frank, P., Hansen, J., Mandel, E., & Maitan, L. (1975). Portugal, l'alternative. Paris: Taupe Rouge.

Chicago Style (17th ed.) Citation

Frank, Pierre, Joseph Hansen, Ernest Mandel, and Livio Maitan. Portugal, L'alternative. Paris: Taupe Rouge, 1975.

MLA (8th ed.) Citation

Frank, Pierre, et al. Portugal, L'alternative. Paris: Taupe Rouge, 1975.