APA
Crannell P. W., . (1915). The survival of the unfit: powers, principles, and practice in man-making. New York: Hodder & Stoughton, George H. Doran company.
Chicago
Crannell Philip Wendell, . 1915. The survival of the unfit: powers, principles, and practice in man-making. New York: Hodder & Stoughton, George H. Doran company.
Harvard
Crannell P. W., . (1915). The survival of the unfit: powers, principles, and practice in man-making. New York: Hodder & Stoughton, George H. Doran company.
MLA
Crannell Philip Wendell, . The survival of the unfit: powers, principles, and practice in man-making. New York: Hodder & Stoughton, George H. Doran company. 1915.
文字出版細節:New York, Hodder & Stoughton, George H. Doran company [c1915]說明: x, [2], 13-203 p. 20 cm美國國會圖書館分類法: 
BK