Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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