APA Style

Cashell,G.T,Willoughby, ., Durran,isobel,M, . (1967). Handbook of arthoptic principles . London: E & S Livingstone Ltd.

MLA Style

Cashell,G.T,Willoughby, ., Durran,isobel,M, . "Handbook of arthoptic principles". London: E & S Livingstone Ltd, 1967. Text.