Cita APA (7th ed.)
Warnock, R., & Anderson, G. K. (1950). The World in literature. Scott, Foresman.
Cita Chicago (17th ed.)
Warnock, Robert, i George K. Anderson. The World in Literature. Chicago: Scott, Foresman, 1950.
Cita MLA (9th ed.)
Warnock, Robert, i George K. Anderson. The World in Literature. Scott, Foresman, 1950.
Atenció: Aquestes cites poden no estar 100% correctes.