Bickel, C. L., Eigenfeld, N. D., & Hogg, J. C. (1973). Physical science investigations. Houghton Mifflin.
Cita Chicago Style (17a ed.)Bickel, Charles Lester, Neal D. Eigenfeld, y John Clarence Hogg. Physical Science Investigations. Boston: Houghton Mifflin, 1973.
Cita MLA (9a ed.)Bickel, Charles Lester, et al. Physical Science Investigations. Houghton Mifflin, 1973.
Precaución: Estas citas no son 100% exactas.