APA (7th ed.) Citation

Armstrong, H. E., & Brock, W. H. (1973). H.E. Armstrong and the teaching of science, 1880-1930. University Press.

Chicago Style (17th ed.) Citation

Armstrong, Henry Edward, and W. H. Brock. H.E. Armstrong and the Teaching of Science, 1880-1930. Cambridge: University Press, 1973.

MLA (8th ed.) Citation

Armstrong, Henry Edward, and W. H. Brock. H.E. Armstrong and the Teaching of Science, 1880-1930. University Press, 1973.