APA

Toynbee A., Caplan J., . (1988). A study of history. New York: Oxford University Press.

Chicago

Toynbee Arnold, Caplan Jane, . 1988. A study of history. New York: Oxford University Press.

Harvard

Toynbee A., Caplan J., . (1988). A study of history. New York: Oxford University Press.

MLA

Toynbee Arnold, Caplan Jane, . A study of history. New York: Oxford University Press. 1988.