APA (7th ed.) Citation

Heinemann, Airey, D. W., & Medlik, S. (1987). Profile of the hotel and catering industry (2nd ed.). Heinemann.

Chicago Style (17th ed.) Citation

Heinemann, D. W. Airey, and S. Medlik. Profile of the Hotel and Catering Industry. 2nd ed. London: Heinemann, 1987.

MLA (8th ed.) Citation

Heinemann, et al. Profile of the Hotel and Catering Industry. 2nd ed. Heinemann, 1987.