Cita APA (7a ed.)

Donnelly, D. (2011). 999 logo design elements: 999 design components you can use to create logos. Rockport Publishers.

Cita Chicago Style (17a ed.)

Donnelly, Daniel. 999 Logo Design Elements: 999 Design Components You Can Use to Create Logos. Beverly, Mass.: Rockport Publishers, 2011.

Cita MLA (8a ed.)

Donnelly, Daniel. 999 Logo Design Elements: 999 Design Components You Can Use to Create Logos. Rockport Publishers, 2011.