APA (7th ed.) Citation

Butler, R. R. (1947). Scientific discovery / by R.R. Butler. E.U.P..

Chicago Style (17th ed.) Citation

Butler, R. R. Scientific Discovery / by R.R. Butler. E.U.P., 1947.

MLA (9th ed.) Citation

Butler, R. R. Scientific Discovery / by R.R. Butler. E.U.P., 1947.

Warning: These citations may not always be 100% accurate.