APA-Zitierstil (7. Ausg.)
Walker, H. M. (1931). Studies in the history of statistical method: With special reference to certain educational problems. Wiliams and Wilkins Co.
Chicago-Zitierstil (17. Ausg.)
Walker, Helen M. Studies in the History of Statistical Method: With Special Reference to Certain Educational Problems. Baltimore: Wiliams and Wilkins Co, 1931.
MLA-Zitierstil (9. Ausg.)
Walker, Helen M. Studies in the History of Statistical Method: With Special Reference to Certain Educational Problems. Wiliams and Wilkins Co, 1931.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.