Cita APA

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

Chicago Edition Citation

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

Cita MLA

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