Cita APA (7a ed.)
Elson, W. H., Gray, W. S., & Crane, D. P. Elson-Gray Basic Readers: Book One. Scott, Foresman and Company.
Cita estilo Chicago (17a ed.)
Elson, William H., William S. Gray, y Donn P. Crane. Elson-Gray Basic Readers: Book One. Chicago, EUA: Scott, Foresman and Company.
Cita MLA (9a ed.)
Elson, William H., et al. Elson-Gray Basic Readers: Book One. Scott, Foresman and Company.
Precaución: Estas citas no son 100% exactas.