APA

Papini G., Wilkins E. H., . (1922). Four and twenty minds. New York: Thomas Y. Crowell Co.

Chicago

Papini Giovanni, Wilkins Ernest Hatch, . 1922. Four and twenty minds. New York: Thomas Y. Crowell Co.

Harvard

Papini G., Wilkins E. H., . (1922). Four and twenty minds. New York: Thomas Y. Crowell Co.

MLA

Papini Giovanni, Wilkins Ernest Hatch, . Four and twenty minds. New York: Thomas Y. Crowell Co. 1922.