Hellberg, G., Quigley, S., & Wilson, A. (2011). Gustav Hellberg: Vision / Gustav Hellberg ; edited by Sarah Quigley, Antinette Wilson. Gustav Hellberg.
Chicago (17e ed.) BronvermeldingHellberg, Gustav, Sarah Quigley, en Antoinette Wilson. Gustav Hellberg: Vision / Gustav Hellberg ; Edited by Sarah Quigley, Antinette Wilson. [Berlin ; Seoul]: Gustav Hellberg, 2011.
MLA (8e ed.) BronvermeldingHellberg, Gustav, et al. Gustav Hellberg: Vision / Gustav Hellberg ; Edited by Sarah Quigley, Antinette Wilson. Gustav Hellberg, 2011.
Let op: Deze citaties zijn niet altijd 100% accuraat.