Peter Gartmann : Seagulls in flight.

MLA

Baumann, Ilse, and Hans-Peter Bier. Peter Gartmann : Seagulls In Flight. S.l.: petergartmann.com, 2018.

APA

Baumann, I., & Bier, H. (2018). Peter Gartmann : Seagulls in flight. S.l.: petergartmann.com.

Chicago

Baumann, Ilse, and Hans-Peter Bier. Peter Gartmann: Seagulls In Flight. S.l.: petergartmann.com, 2018.