APA (7th ed.) Citation

Layton, J. (2008). Homelessness: How to end the national crisis (Rev. and updated.). Penguin Group Canada.

Chicago Style (17th ed.) Citation

Layton, Jack. Homelessness: How to End the National Crisis. Rev. and updated. Toronto, Ontario [u.a.]]: Penguin Group Canada, 2008.

MLA (9th ed.) Citation

Layton, Jack. Homelessness: How to End the National Crisis. Rev. and updated. Penguin Group Canada, 2008.