APA (7th ed.) Citation

Laird, E., LIghtfoot, J., & McDowall, A. (1998). Crackers. Mammoth.

Chicago Style (17th ed.) Citation

Laird, Elizabeth, James LIghtfoot, and Angus McDowall. Crackers. London: Mammoth, 1998.

MLA (9th ed.) Citation

Laird, Elizabeth, et al. Crackers. Mammoth, 1998.