APA Edition Citation

Drurran, G T Willoughby, M Isobel, & Willoughby G T Cashell. (1974). Hand book of orthoptic principles. Churchill livingstone.

Chicago Edition Citation

Drurran, G T Willoughby, M Isobel, and Willoughby G T Cashell. Hand Book of Orthoptic Principles. Churchill livingstone, 1974.

MLA Edition Citation

Drurran, et al. Hand Book of Orthoptic Principles. Churchill livingstone, 1974.