Determining the figure of the earth by triangulation

MLA

John Fillmore Hayford. “Determining the Figure of the Earth by Triangulation.” American Journal of Science, Aug. 1928, pp. 121–28. EBSCOhost, https://doi.org/10.2475/ajs.s5-16.92.121.

APA

John Fillmore Hayford. (1928). Determining the figure of the earth by triangulation. American Journal of Science, 121–128. https://doi.org/10.2475/ajs.s5-16.92.121

Chicago

John Fillmore Hayford. 1928. “Determining the Figure of the Earth by Triangulation.” American Journal of Science, August, 121–28. doi:10.2475/ajs.s5-16.92.121.