APA (7th ed.) Citation

Fitkin, G., Sutherland, S., Alberga, E., & Wallen, E. (1999). Flak. GFR.

Chicago Style (17th ed.) Citation

Fitkin, Graham, Shelagh Sutherland, Eleanor Alberga, and Errollyn Wallen. Flak. [England]: GFR, 1999.

MLA (9th ed.) Citation

Fitkin, Graham, et al. Flak. GFR, 1999.