APA Edition Citation

Simpkins, J., & Williams, J. I. (1987). Advanced human biology. Unwin Hyman.

Chicago Edition Citation

Simpkins, J., and J I. Williams. Advanced Human Biology. London: Unwin Hyman, 1987.

MLA Edition Citation

Simpkins, J., and J I. Williams. Advanced Human Biology. Unwin Hyman, 1987.

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