APA

Fletcher M., Gray T. R. G. & Fletcher M. M. (1987). Ecology of microbial communities. Cambridge [u.a.]: Cambridge Univ. Press.

Chicago

Fletcher Madilyn, Gray Timothy R G and Fletcher Madilyn M. 1987. Ecology of microbial communities. Cambridge [u.a.]: Cambridge Univ. Press.

Harvard

Fletcher M., Gray T. R. G. and Fletcher M. M. (1987). Ecology of microbial communities. Cambridge [u.a.]: Cambridge Univ. Press.

MLA

Fletcher Madilyn, Gray Timothy R G and Fletcher Madilyn M. Ecology of microbial communities. Cambridge [u.a.]: Cambridge Univ. Press. 1987.