Cita APA (7a ed.)

Sweetman, H. (1958). The principles of biological control: Interrelation of hosts and pests and utilization in regulation of animal and plant populations. Wm. C. Brown.

Cita Chicago Style (17a ed.)

Sweetman, H.L. The Principles of Biological Control: Interrelation of Hosts and Pests and Utilization in Regulation of Animal and Plant Populations. Dubuque: Wm. C. Brown, 1958.

Cita MLA (8a ed.)

Sweetman, H.L. The Principles of Biological Control: Interrelation of Hosts and Pests and Utilization in Regulation of Animal and Plant Populations. Wm. C. Brown, 1958.