Cita APA (7th ed.)

Gilson, J. (1989). World agricultural changes: Implications for Canada. Howe.

Cita Chicago (17th ed.)

Gilson, J.C. World Agricultural Changes: Implications for Canada. Toronto: Howe, 1989.

Cita MLA (9th ed.)

Gilson, J.C. World Agricultural Changes: Implications for Canada. Howe, 1989.