Cita APA (7th ed.)

Ermisch, J. F. (1991). Lone parenthood: An economic anlysis. Cambridge.

Cita Chicago (17th ed.)

Ermisch, John F. Lone Parenthood: An Economic Anlysis. New York: Cambridge, 1991.

Cita MLA (9th ed.)

Ermisch, John F. Lone Parenthood: An Economic Anlysis. Cambridge, 1991.