Cita APA (7a ed.)

Spargo, C. (1907). The Ideal Spelling Book. The Educational Supply Association.

Cita Chicago Style (17a ed.)

Spargo, Chas. The Ideal Spelling Book. London: The Educational Supply Association, 1907.

Cita MLA (9a ed.)

Spargo, Chas. The Ideal Spelling Book. The Educational Supply Association, 1907.