APA استشهاد

Tootill, E., & ...[et al.]. (1988). Dictionary of biology. Facts on File.

استشهاد بنمط شيكاغو

Tootill, Elizabeth, و ...[et al.]. Dictionary of Biology. New York: Facts on File, 1988.

MLA استشهاد

Tootill, Elizabeth, و ...[et al.]. Dictionary of Biology. Facts on File, 1988.