MLA

Bell, Charles, and Rich Cameron. Maintaining and Troubleshooting Your 3d Printer. Apress, 2014.

APA

Bell, C., & Cameron, R. (2014). Maintaining and Troubleshooting Your 3D Printer. Apress.

Chicago

Bell, Charles, and Rich Cameron. Maintaining and Troubleshooting Your 3D Printer. : Apress, 2014.