Eddington, A. S. (1929). Science and the unseen world Swarthmore Lecture.
Chicago Style (17th ed.) CitationEddington, Arthur Stanley. "Science and the Unseen World." Swarthmore Lecture 1929.
MLA (8th ed.) CitationEddington, Arthur Stanley. "Science and the Unseen World." Swarthmore Lecture, 1929.
Warning: These citations may not always be 100% accurate.