Cita APA

Scott, F. &. C. (1973). Scott Foresman reading systems. [S.l.]: [S.n.].

Citación estilo Chicago

Scott, Foresman & Co. Scott Foresman Reading Systems. [S.l.]: [S.n.], 1973.

Cita MLA

Scott, Foresman & Co. Scott Foresman Reading Systems. [S.l.]: [S.n.], 1973.