APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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