Cita APA (7th ed.)

Hummel, K. M. (2014). Introducing second language acquisition: Perspectives and practices. John Wiley & Sons.

Cita Chicago (17th ed.)

Hummel, Kirsten M. Introducing Second Language Acquisition: Perspectives and Practices. Chichester, West Sussex: John Wiley & Sons, 2014.

Cita MLA (9th ed.)

Hummel, Kirsten M. Introducing Second Language Acquisition: Perspectives and Practices. John Wiley & Sons, 2014.