APA استشهاد

Lucas, J., & Hayes, S. (1976). Frontiers of life: Animals of mountains and poles. Aldus Books.

استشهاد بنمط شيكاغو

Lucas, Joseph, و Susan Hayes. Frontiers of Life: Animals of Mountains and Poles. London: Aldus Books, 1976.

MLA استشهاد

Lucas, Joseph, و Susan Hayes. Frontiers of Life: Animals of Mountains and Poles. Aldus Books, 1976.