APA

Stevens M., . (1981). The big eight. New York: Macmillan Pub. Co.

Chicago

Stevens Mark, . 1981. The big eight. New York: Macmillan Pub. Co.

Harvard

Stevens M., . (1981). The big eight. New York: Macmillan Pub. Co.

MLA

Stevens Mark, . The big eight. New York: Macmillan Pub. Co. 1981.