APA (7th ed.) Citation

Dunn, O. (2013). Collins introducing English to young children: Spoken language. HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Dunn, Opal. Collins Introducing English to Young Children: Spoken Language. London, UK: HarperCollins Publishers, 2013.

MLA (9th ed.) Citation

Dunn, Opal. Collins Introducing English to Young Children: Spoken Language. HarperCollins Publishers, 2013.

Warning: These citations may not always be 100% accurate.