Cita APA

Ferris, F. K., Keener, E. E., & Giddings, A. F. (1944). Learning essential English: [Grade] 3-8. Laidlaw.

Chicago Style (17th ed.) Citation

Ferris, Florence K., Edward Ernest Keener, i Arthur F. Giddings. Learning Essential English: [Grade] 3-8. Chicago ; New York [etc.]: Laidlaw, 1944.

Cita MLA

Ferris, Florence K., et al. Learning Essential English: [Grade] 3-8. Laidlaw, 1944.