APA
(1952). Studies and impressions 1902-1952. London, UK: The University of London, Insitute of Education.
Chicago
1952. Studies and impressions 1902-1952. London, UK: The University of London, Insitute of Education.
Harvard
(1952). Studies and impressions 1902-1952. London, UK: The University of London, Insitute of Education.
MLA
Studies and impressions 1902-1952. London, UK: The University of London, Insitute of Education. 1952.
