APA (7th ed.) Citation

Grenfell, D. The Angolan papers of David Grenfell. University of York, Photographic Dept..

Chicago Style (17th ed.) Citation

Grenfell, David. The Angolan Papers of David Grenfell. [York, England]: University of York, Photographic Dept..

MLA (8th ed.) Citation

Grenfell, David. The Angolan Papers of David Grenfell. University of York, Photographic Dept..