Frank, R. (2013). Park/Sleep: Robert Frank / Robert Frank. Steidl.
Cita Chicago (17th ed.)Frank, Robert. Park/Sleep: Robert Frank / Robert Frank. Göttingen: Steidl, 2013.
Cita MLA (8th ed.)Frank, Robert. Park/Sleep: Robert Frank / Robert Frank. Steidl, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.