Cita APA

Drury, A. (1969). A shade of difference (4. ed.). New York: Pocket books.

Citación estilo Chicago

Drury, Allen. A Shade of Difference. 4. ed. New York: Pocket books, 1969.

Cita MLA

Drury, Allen. A Shade of Difference. 4. ed. New York: Pocket books, 1969.