Cita APA (7a ed.)

Nunn, M. (2021). When the ground is hard (First paperback edition.). G.P. Putnam's Sons.

Cita Chicago Style (17a ed.)

Nunn, Malla. When the Ground Is Hard. First paperback edition. New York: G.P. Putnam's Sons, 2021.

Cita MLA (8a ed.)

Nunn, Malla. When the Ground Is Hard. First paperback edition. G.P. Putnam's Sons, 2021.

Precaución: Estas citas no son 100% exactas.