APA (7th ed.) Citation

Larson, J. (2016). 3D Printing Designs: Octopus Pencil Holder : A Fast Paced Guide to Designing and Printing Organic 3D Shapes.

Chicago Style (17th ed.) Citation

Larson, Joe. 3D Printing Designs: Octopus Pencil Holder : A Fast Paced Guide to Designing and Printing Organic 3D Shapes. 2016.

MLA (9th ed.) Citation

Larson, Joe. 3D Printing Designs: Octopus Pencil Holder : A Fast Paced Guide to Designing and Printing Organic 3D Shapes. 2016.

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