APA (7th ed.) Citation

Caro, R. A. (1990). The years of Lyndon Johnson (2. printing.). Knopf.

Chicago Style (17th ed.) Citation

Caro, Robert A. The Years of Lyndon Johnson. 2. printing. New York: Knopf, 1990.

MLA (9th ed.) Citation

Caro, Robert A. The Years of Lyndon Johnson. 2. printing. Knopf, 1990.