APA ציטוט

Howell, W. B. (1943). A Letter from Dr. W. B. Howell.

Citação norma Chicago

Howell, W. B. A Letter From Dr. W. B. Howell. 1943.

ציטוט MLA

Howell, W. B. A Letter From Dr. W. B. Howell. 1943.