APA

coe n., croft r. & ernest p. (1983). writing skills. cambridge: cambridge university press.

Chicago

coe norman, croft robin and ernest pauline. 1983. writing skills. cambridge: cambridge university press.

Harvard

coe n., croft r. and ernest p. (1983). writing skills. cambridge: cambridge university press.

MLA

coe norman, croft robin and ernest pauline. writing skills. cambridge: cambridge university press. 1983.