APA

Spencer T. D., Kass N., . (1970). Perspectives in child psychology: research and review. New York: McGraw-Hill.

Chicago

Spencer Thomas D, Kass Norman, . 1970. Perspectives in child psychology: research and review. New York: McGraw-Hill.

Harvard

Spencer T. D., Kass N., . (1970). Perspectives in child psychology: research and review. New York: McGraw-Hill.

MLA

Spencer Thomas D, Kass Norman, . Perspectives in child psychology: research and review. New York: McGraw-Hill. 1970.