APA

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

Chicago

Gregory Derek, Martin Ron and Smith Graham. 1994. Human geography: society, space and social science. Basingstoke: Macmillan.

Harvard

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

MLA

Gregory Derek, Martin Ron and Smith Graham. Human geography: society, space and social science. Basingstoke: Macmillan. 1994.