APA Edition Citation

Hopson, J. L., & Wessells, N. K. (1990). Essentials of biology. Mc Graw- Hill Book Company Inc.

Chicago Edition Citation

Hopson, Janet L., and Norman K. Wessells. Essentials of Biology. Newyork: Mc Graw- Hill Book Company Inc, 1990.

MLA Edition Citation

Hopson, Janet L., and Norman K. Wessells. Essentials of Biology. Mc Graw- Hill Book Company Inc, 1990.

Warning: These citations may not always be 100% accurate.