Cita APA (7a ed.)

Commonwealth Institute of Biological Control Trinidad. (1971). Biological control programmes against insects and weeds in Canadá 1959-1968 (1st edition.). Commonwealth Agricultural Bureaux.

Cita Chicago Style (17a ed.)

Commonwealth Institute of Biological Control Trinidad. Biological Control Programmes Against Insects and Weeds in Canadá 1959-1968. 1st edition. [Lugar de publicación no identificado]: Commonwealth Agricultural Bureaux, 1971.

Cita MLA (8a ed.)

Commonwealth Institute of Biological Control Trinidad. Biological Control Programmes Against Insects and Weeds in Canadá 1959-1968. 1st edition. Commonwealth Agricultural Bureaux, 1971.