APA Citatie

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

Chicago Style citaat

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

MLA citatie

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