Cita APA (7a ed.)

Lefkowitz, B. (1987). Tough change: Growing up on your own in America. Free Pr. [u.a.].

Cita Chicago Style (17a ed.)

Lefkowitz, Bernard. Tough Change: Growing Up on Your Own in America. New York: Free Pr. [u.a.], 1987.

Cita MLA (8a ed.)

Lefkowitz, Bernard. Tough Change: Growing Up on Your Own in America. Free Pr. [u.a.], 1987.