Cita APA

Alex, J. F., Waywell, C. G., & Zwitzer, C. M. (1982). Weed control in lawns and gardens. Ontario: Ministry of Agriculture and Food.

Citación estilo Chicago

Alex, J. F., C. G. Waywell, y C. M. Zwitzer. Weed Control in Lawns and Gardens. Ontario: Ministry of Agriculture and Food, 1982.

Cita MLA

Alex, J. F., C. G. Waywell, y C. M. Zwitzer. Weed Control in Lawns and Gardens. Ontario: Ministry of Agriculture and Food, 1982.