APA (7th ed.) Citation

Friedman, M., & Friedman, R. D. (1983). Libertad de elegir. Orbis.

Chicago Style (17th ed.) Citation

Friedman, Milton, and Rose D. Friedman. Libertad De Elegir. Barcelona: Orbis, 1983.

MLA (9th ed.) Citation

Friedman, Milton, and Rose D. Friedman. Libertad De Elegir. Orbis, 1983.

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