APA

Cullman M., . (1963). Occupation angel. New York: W . W .Norton & Co Inc.

Chicago

Cullman Marguerite, . 1963. Occupation angel. New York: W . W .Norton & Co Inc.

Harvard

Cullman M., . (1963). Occupation angel. New York: W . W .Norton & Co Inc.

MLA

Cullman Marguerite, . Occupation angel. New York: W . W .Norton & Co Inc. 1963.