APA Edition Citation

Fitton, J. e. a. (1987). Alkaline Igneous Rocks. Black Well Scientific.

Chicago Edition Citation

Fitton, J.G et al. Alkaline Igneous Rocks. London: Black Well Scientific, 1987.

MLA Edition Citation

Fitton, J.G et al. Alkaline Igneous Rocks. Black Well Scientific, 1987.