Cita APA

Olsen, R. (2008). Design patterns in Ruby. Addison-Wesley.

Citación estilo Chicago

Olsen, Russ. Design Patterns in Ruby. Upper Saddle River, N.J: Addison-Wesley, 2008.

Cita MLA

Olsen, Russ. Design Patterns in Ruby. Addison-Wesley, 2008.

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