MLA

Bell, Charles Andrew, and Johann Rocholl. 3d Printing with Delta Printers. Apress, 2015.

APA

Bell, C. Andrew, & Rocholl, J. (2015). 3D Printing with Delta Printers. Apress.

Chicago

Bell, Charles Andrew, and Johann Rocholl. 3D Printing with Delta Printers. : Apress, 2015.