Cita APA (7a ed.)

Kuhn, H. P., & Kassner, G. (2013). Hans Peter Kuhn - Flags: With photos by Gerhard Kassner. ruksaldruck.

Cita Chicago Style (17a ed.)

Kuhn, Hans Peter, y Gerhard Kassner. Hans Peter Kuhn - Flags: With Photos by Gerhard Kassner. Berlin: ruksaldruck, 2013.

Cita MLA (8a ed.)

Kuhn, Hans Peter, y Gerhard Kassner. Hans Peter Kuhn - Flags: With Photos by Gerhard Kassner. ruksaldruck, 2013.