Cita APA

Morton, R. L. (1937). Teaching arithmetic in elementary school. Silver Burdett company.

Citación estilo Chicago

Morton, Robert Lee. Teaching Arithmetic in Elementary School. New York, boston [etc.]: Silver Burdett company, 1937.

Cita MLA

Morton, Robert Lee. Teaching Arithmetic in Elementary School. Silver Burdett company, 1937.

Warning: These citations may not always be 100% accurate.