Cite
Second Period of the Trigonometrical Surveys
MLA
Clements R. Markham. Second Period of the Trigonometrical Surveys. Jan. 2015. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsair&AN=edsair.doi...........bab429cfdb338d7ba612b07123b32c06&authtype=sso&custid=ns315887.
APA
Clements R. Markham. (2015). Second Period of the Trigonometrical Surveys.
Chicago
Clements R. Markham. 2015. “Second Period of the Trigonometrical Surveys,” January. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsair&AN=edsair.doi...........bab429cfdb338d7ba612b07123b32c06&authtype=sso&custid=ns315887.