Cita APA (7a ed.)

Stevick, E. W. (1957). Helping people learn English: A manual for teachers of English as a second language. Abingdon.

Cita Chicago Style (17a ed.)

Stevick, Earl W. Helping People Learn English: A Manual for Teachers of English as a Second Language. Nashville [etc.]: Abingdon, 1957.

Cita MLA (9a ed.)

Stevick, Earl W. Helping People Learn English: A Manual for Teachers of English as a Second Language. Abingdon, 1957.