Cita APA (7a ed.)

Armstrong, P. (2007). Flexible Rails: Flex 3 on Rails 2. Manning.

Cita Chicago Style (17a ed.)

Armstrong, Peter. Flexible Rails: Flex 3 on Rails 2. Greenwich, Conn.: Manning, 2007.

Cita MLA (8a ed.)

Armstrong, Peter. Flexible Rails: Flex 3 on Rails 2. Manning, 2007.