Cita APA (7a ed.)

Welsh, M. F., & Peters, W. S. (1984). Nut culture in British Columbia. Ministry of Agriculture and Food.

Cita Chicago Style (17a ed.)

Welsh, M. F., y W. S. Peters. Nut Culture in British Columbia. Victoria: Ministry of Agriculture and Food, 1984.

Cita MLA (8a ed.)

Welsh, M. F., y W. S. Peters. Nut Culture in British Columbia. Ministry of Agriculture and Food, 1984.