APA

Mills K., . (2002). Sphere of influence. New York: G.P. Putnam's Sons.

Chicago

Mills Kyle, . 2002. Sphere of influence. New York: G.P. Putnam's Sons.

Harvard

Mills K., . (2002). Sphere of influence. New York: G.P. Putnam's Sons.

MLA

Mills Kyle, . Sphere of influence. New York: G.P. Putnam's Sons. 2002.