APA

Leather S. R., Walters K. F. A. & Bale J. S. (1993). The ecology of insect overwintering. Cambridge: University of Cambridge.

Chicago

Leather Simon R, Walters Keith F A and Bale Jeffrey S. 1993. The ecology of insect overwintering. Cambridge: University of Cambridge.

Harvard

Leather S. R., Walters K. F. A. and Bale J. S. (1993). The ecology of insect overwintering. Cambridge: University of Cambridge.

MLA

Leather Simon R, Walters Keith F A and Bale Jeffrey S. The ecology of insect overwintering. Cambridge: University of Cambridge. 1993.