APA (7th ed.) Citation

Parry, J. M., Turnbull, P. C., & Gibson, J. R. (1983). A colour atlas of bacillus species.

Chicago Style (17th ed.) Citation

Parry, Jennifer M., P. C. Turnbull, and J R. Gibson. A Colour Atlas of Bacillus Species. 1983.

MLA (9th ed.) Citation

Parry, Jennifer M., et al. A Colour Atlas of Bacillus Species. 1983.