APA

Symposium of the british ecological society, Gray A. J. & Crawley M. J. (1987). Colonization, succession and stability. Oxford: Blackwell Scientific.

Chicago

Symposium of the british ecological society, Gray A J and Crawley M J. 1987. Colonization, succession and stability. Oxford: Blackwell Scientific.

Harvard

Symposium of the british ecological society, Gray A. J. and Crawley M. J. (1987). Colonization, succession and stability. Oxford: Blackwell Scientific.

MLA

Symposium of the british ecological society, Gray A J and Crawley M J. Colonization, succession and stability. Oxford: Blackwell Scientific. 1987.