APA

Morton R. L., . (1953). Teaching children arithmetic: primary, intermediate, upper grades. New York: Silvert Burdett.

Chicago

Morton Robert Lee, . 1953. Teaching children arithmetic: primary, intermediate, upper grades. New York: Silvert Burdett.

Harvard

Morton R. L., . (1953). Teaching children arithmetic: primary, intermediate, upper grades. New York: Silvert Burdett.

MLA

Morton Robert Lee, . Teaching children arithmetic: primary, intermediate, upper grades. New York: Silvert Burdett. 1953.