APA (7th ed.) Citation

Simpkins, J., Sands, M. K., & Willams, J. I. (1980). Biology of the cell, flowering plant and mammal. Mills and Boon.

Chicago Style (17th ed.) Citation

Simpkins, J., M. K. Sands, and J. I. Willams. Biology of the Cell, Flowering Plant and Mammal. London: Mills and Boon, 1980.

MLA (9th ed.) Citation

Simpkins, J., et al. Biology of the Cell, Flowering Plant and Mammal. Mills and Boon, 1980.