APA

CAMPBELL M., . (1961). PETER PERRY. New York: COLLIER.

Chicago

CAMPBELL MICHAEL, . 1961. PETER PERRY. New York: COLLIER.

Harvard

CAMPBELL M., . (1961). PETER PERRY. New York: COLLIER.

MLA

CAMPBELL MICHAEL, . PETER PERRY. New York: COLLIER. 1961.