APA (7th ed.) Citation

Rulon, P. J. (1933). The sound motion picture in science teaching Q181 .R. Harvard University Press.

Chicago Style (17th ed.) Citation

Rulon, Phillip Justin. The Sound Motion Picture in Science Teaching Q181 .R. Cambridge: Harvard University Press, 1933.

MLA (9th ed.) Citation

Rulon, Phillip Justin. The Sound Motion Picture in Science Teaching Q181 .R. Harvard University Press, 1933.