APA

Wulf M., . (1950). Art and beauty. St. Louis: Herder.

Chicago

Wulf M.M, . 1950. Art and beauty. St. Louis: Herder.

Harvard

Wulf M., . (1950). Art and beauty. St. Louis: Herder.

MLA

Wulf M.M, . Art and beauty. St. Louis: Herder. 1950.