MLA

Ladd-Franklin, Christine. Colour and Colour Theories. London: K. Paul, Trench, Trubner & co., 1929.

APA

Ladd-Franklin, C. (1929). Colour and colour theories. London: K. Paul, Trench, Trubner & co.

Chicago

Ladd-Franklin, Christine, Colour and Colour Theories. London: K. Paul, Trench, Trubner & co., 1929.