Cita APA (7a ed.)

Croft, K. (1961). A practice book on English stress and intonation: For students of English as a second language. English Language Services.

Cita Chicago Style (17a ed.)

Croft, Kenneth. A Practice Book on English Stress and Intonation: For Students of English as a Second Language. Washington: English Language Services, 1961.

Cita MLA (9a ed.)

Croft, Kenneth. A Practice Book on English Stress and Intonation: For Students of English as a Second Language. English Language Services, 1961.