APA (7th ed.) Citation

Firth, G., & Barber, M. (2011). Using Intensive Interaction with a Person with a Social or Communicative Impairment.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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