APA (7th ed.) Citation

Simpkins, J., & Williams, J. I. (1995). Advanced human biology. Collins Educational.

Chicago Style (17th ed.) Citation

Simpkins, J., and J. I. Williams. Advanced Human Biology. London: Collins Educational, 1995.

MLA (8th ed.) Citation

Simpkins, J., and J. I. Williams. Advanced Human Biology. Collins Educational, 1995.

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