APA (7th ed.) Citation

Gullan, P. J., & Cranston, P. S. (1994). The insects: An outline of entomology. Chapman & Hall.

Chicago Style (17th ed.) Citation

Gullan, P. J., and P. S. Cranston. The Insects: An Outline of Entomology. London: Chapman & Hall, 1994.

MLA (9th ed.) Citation

Gullan, P. J., and P. S. Cranston. The Insects: An Outline of Entomology. Chapman & Hall, 1994.