Cita APA (7th ed.)

Shane, H. G., Ferris, F., & Keener, E. E. On the trail to good english.

Cita Chicago (17th ed.)

Shane, Harold G., Florence Ferris, i Edward E. Keener. On the Trail to Good English.

Cita MLA (8th ed.)

Shane, Harold G., et al. On the Trail to Good English.