APA (7. basım) Alıntı

Ahrens, C., & Seyfarth, L. (2010). Frank Gerritz: Invitionals, auctions.

Chicago Style (17. basım) Atıf

Ahrens, Carsten, ve Ludwig Seyfarth. Frank Gerritz: Invitionals, Auctions. Bremen, 2010.

MLA (8th ed.) Atıf

Ahrens, Carsten, ve Ludwig Seyfarth. Frank Gerritz: Invitionals, Auctions. 2010.