Cita APA (7a ed.)

Johnston, G., Foote, P. G., & Björn K. Aórólfsson. (1973). The saga of Gisli. J.M. Dent & Sons.

Cita Chicago Style (17a ed.)

Johnston, George, Peter Godfrey Foote, y Björn K. Aórólfsson. The Saga of Gisli. London: J.M. Dent & Sons, 1973.

Cita MLA (9a ed.)

Johnston, George, et al. The Saga of Gisli. J.M. Dent & Sons, 1973.