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Comparison of an eight-hour plant and a ten-hour plant /
report by Josephine Goldmark and Mary D. Hopkins, on an investigation by Philip Sargant Florence, and associates under the general direction of Frederic S. Lee ; prepared by direction of the Surgeon General.

APA Citation

Goldmark, J., Lee, F. S. (Frederic Schiller)., Florence, P. Sargant (Philip Sargant)., Hopkins, M. Della., Hopkins, M. Della., United States. Public Health Service. (1920). Comparison of an eight-hour plant and a ten-hour plant. Washington, D.C.: G.P.O..

MLA Citation

United States. Public Health Service, et al.. Comparison of an Eight-hour Plant And a Ten-hour Plant. Washington, D.C.: G.P.O., 1920.

Warning: These citations may not always be complete (especially for serials).

Comparison of an eight-hour plant and a ten-hour plant / report by Josephine Goldmark and Mary D. Hopkins, on an investigation by Philip Sargant Florence, and associates under the general direction of Frederic S. Lee ; prepared by direction of the Surgeon General.

APA Citation

MLA Citation

Comparison of an eight-hour plant and a ten-hour plant /
report by Josephine Goldmark and Mary D. Hopkins, on an investigation by Philip Sargant Florence, and associates under the general direction of Frederic S. Lee ; prepared by direction of the Surgeon General.