Cita APA (7a ed.)
Buswell, G., & Henry, N. B. (1951). The fiftieth yearbook: Of the National Society for the Study of Education. Part II: The teaching of arithmetic.
Cita estilo Chicago (17a ed.)
Buswell, G.T, y Nelson B. Henry. The Fiftieth Yearbook: Of the National Society for the Study of Education. Part II: The Teaching of Arithmetic. 1951.
Cita MLA (9a ed.)
Buswell, G.T, y Nelson B. Henry. The Fiftieth Yearbook: Of the National Society for the Study of Education. Part II: The Teaching of Arithmetic. 1951.
Precaución: Estas citas no son 100% exactas.