Pingree, J., & Smith, D. (1971). Herbert Alfred Humphrey: List of his papers in the Imperial College Archives. Imperial College of Science and Technology.
Chicago Style (17th ed.) CitationPingree, Jeanne, and Denis Smith. Herbert Alfred Humphrey: List of His Papers in the Imperial College Archives. London: Imperial College of Science and Technology, 1971.
MLA (9th ed.) CitationPingree, Jeanne, and Denis Smith. Herbert Alfred Humphrey: List of His Papers in the Imperial College Archives. Imperial College of Science and Technology, 1971.
Warning: These citations may not always be 100% accurate.