Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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