Illustrated encyclopaedia of world theatre :

MLA

Schmid, Estella. Illustrated Encyclopaedia of World Theatre . London: Thames and Hudson, 1977.

APA

Schmid, E. (1977). Illustrated encyclopaedia of world theatre . London: Thames and Hudson.

Chicago

Schmid, Estella Illustrated Encyclopaedia of World Theatre :. London: Thames and Hudson, 1977.