Cita APA (7a ed.)

Hardisty, D., & Windeatt, S. (1990). Call ([2nd imp.].). Oxford University Press.

Cita Chicago Style (17a ed.)

Hardisty, David, y Scott Windeatt. Call. [2nd imp.]. Oxford: Oxford University Press, 1990.

Cita MLA (9a ed.)

Hardisty, David, y Scott Windeatt. Call. [2nd imp.]. Oxford University Press, 1990.