Cita APA (7a ed.)

Hardy, G. (1991). Divergent series (2nd (textually unaltered) ed.). Chelsea Publishing Co.

Cita Chicago Style (17a ed.)

Hardy, G.H. Divergent Series. 2nd (textually unaltered) ed. New York: Chelsea Publishing Co, 1991.

Cita MLA (9a ed.)

Hardy, G.H. Divergent Series. 2nd (textually unaltered) ed. Chelsea Publishing Co, 1991.