Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Gregory, Derek, Ron Martin, i Graham Smith. Human Geography: Society, Space & Social Science. Hampshire: MacMillan, 1994.

Cita MLA (9th ed.)

Gregory, Derek, et al. Human Geography: Society, Space & Social Science. MacMillan, 1994.