Cita APA (7a ed.)

National Portrait Gallery (Londres), sede, Hoppé, E. O., Prodger, P., Pepper, T., & Bloch, C. (2011). Hoppé portraits: Society, studio & street. National Portrait Gallery.

Cita Chicago Style (17a ed.)

National Portrait Gallery (Londres), sede, E. O. Hoppé, Phillip Prodger, Terence Pepper, y Claudia Bloch. Hoppé Portraits: Society, Studio & Street. London: National Portrait Gallery, 2011.

Cita MLA (9a ed.)

National Portrait Gallery (Londres), sede, et al. Hoppé Portraits: Society, Studio & Street. National Portrait Gallery, 2011.