APA (7th ed.) Citation

EFI (Ratingen). (2009). Contract Proofing Papers ([1st ed.].). [s.n.].

Chicago Style (17th ed.) Citation

EFI (Ratingen). Contract Proofing Papers. [1st ed.]. [S.l.]: [s.n.], 2009.

MLA (9th ed.) Citation

EFI (Ratingen). Contract Proofing Papers. [1st ed.]. [s.n.], 2009.