APA-referens (7:e uppl.)

Maginnis, C. D. (1903). Pen drawing: An illustrated treatise ([4th ed.].). B.T. Batsford ; Bates & Guild.

Chicago-referens (17:e uppl.)

Maginnis, Charles Donagh. Pen Drawing: An Illustrated Treatise. [4th ed.]. London, Boston: B.T. Batsford ; Bates & Guild, 1903.

MLA-referens (8:e uppl.)

Maginnis, Charles Donagh. Pen Drawing: An Illustrated Treatise. [4th ed.]. B.T. Batsford ; Bates & Guild, 1903.