APA (7th ed.) Citation

Firth, G., & Barber, M. (2011). Using intensive interaction with a person with a social or communicative impairment. Jessica Kingsley Publishers.

Chicago Style (17th ed.) Citation

Firth, Graham, and Mark Barber. Using Intensive Interaction with a Person with a Social or Communicative Impairment. London ; Philadelphia, PA: Jessica Kingsley Publishers, 2011.

MLA (9th ed.) Citation

Firth, Graham, and Mark Barber. Using Intensive Interaction with a Person with a Social or Communicative Impairment. Jessica Kingsley Publishers, 2011.