APA (7th ed.) Citation

Gregory, D., Martin, R., & Smith, G. (1994). Human geography: Society, space and social science. Macmillan.

Chicago Style (17th ed.) Citation

Gregory, Derek, Ron Martin, and Graham Smith. Human Geography: Society, Space and Social Science. London: Macmillan, 1994.

MLA (9th ed.) Citation

Gregory, Derek, et al. Human Geography: Society, Space and Social Science. Macmillan, 1994.