APA (7th ed.) Citation

Mars, G., Mitchell, P., & Bryant, D. T. (1979). Manpower problems in the hotel and catering industry. Saxon House.

Chicago Style (17th ed.) Citation

Mars, Gerald, Peter Mitchell, and Donald T. Bryant. Manpower Problems in the Hotel and Catering Industry. Farnborough, Eng: Saxon House, 1979.

MLA (9th ed.) Citation

Mars, Gerald, et al. Manpower Problems in the Hotel and Catering Industry. Saxon House, 1979.