APA (7th ed.) Citation

Heinemann, Burkart, A. J., & Medlik, S. (1985). Tourism: Past, present and future (2nd ed.). Heinemann.

Chicago Style (17th ed.) Citation

Heinemann, A. J. Burkart, and S. Medlik. Tourism: Past, Present and Future. 2nd ed. London: Heinemann, 1985.

MLA (8th ed.) Citation

Heinemann, et al. Tourism: Past, Present and Future. 2nd ed. Heinemann, 1985.