APA (7th ed.) Citation

Fitton, M., Lang, P., & Perry, A. (1987). Assignments in information handling. Pitman.

Chicago Style (17th ed.) Citation

Fitton, M., P. Lang, and Annetta Perry. Assignments in Information Handling. London: Pitman, 1987.

MLA (9th ed.) Citation

Fitton, M., et al. Assignments in Information Handling. Pitman, 1987.