APA

Arp T. R., . (1972). The form of poetry. New York: Macmillan.

Chicago

Arp Thomas R, . 1972. The form of poetry. New York: Macmillan.

Harvard

Arp T. R., . (1972). The form of poetry. New York: Macmillan.

MLA

Arp Thomas R, . The form of poetry. New York: Macmillan. 1972.