Harre, R. (1970). The principles of scientific thinking. Macmillan.
Chicago Style (17th ed.) CitationHarre, Romano. The Principles of Scientific Thinking. [London]: Macmillan, 1970.
MLA (9th ed.) CitationHarre, Romano. The Principles of Scientific Thinking. Macmillan, 1970.
Warning: These citations may not always be 100% accurate.