Franklin

MLA

Weaver, Caroline, Robert Klanten, and Sven Ehmann. The Pencil Perfect : the Untold Story of a Cultural Icon. .

APA

Weaver, C., Klanten, R., & Ehmann, S. The pencil perfect : the untold story of a cultural icon. .

Chicago

Weaver, Caroline, Robert Klanten, and Sven Ehmann. The Pencil Perfect: The Untold Story of a Cultural Icon.