Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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