APA (7th ed.) Citation

Gurnsey, J., & White,Martin S. (1989). Information consultancy. Clive Bingley.

Chicago Style (17th ed.) Citation

Gurnsey, John, and White,Martin S. Information Consultancy. London: Clive Bingley, 1989.

MLA (9th ed.) Citation

Gurnsey, John, and White,Martin S. Information Consultancy. Clive Bingley, 1989.

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