Egon Schiele sketchbooks.

MLA

Nebehay, C.M. Egon Schiele Sketchbooks. London: Thames and Hudson, 1989.

APA

Nebehay, C. (1989). Egon Schiele sketchbooks. London: Thames and Hudson.

Chicago

Nebehay, C.M. Egon Schiele Sketchbooks. London: Thames and Hudson, 1989.