APA引文

Friedman, M., & Friedman, R. (1990). Free to choose: A personal statement. Pan Books.

Chicago Style (17th ed.) Citation

Friedman, Milton, and Rose Friedman. Free to Choose: A Personal Statement. London: Pan Books, 1990.

MLA引文

Friedman, Milton, and Rose Friedman. Free to Choose: A Personal Statement. Pan Books, 1990.