Chinese Immigration and the Chinese Exclusion Acts. In the 1850 s, Chinese workers migrated to the United States, first to work in the gold mines, but also to take agricultural jobs, and factory work, especially in the garment industry
Comments that the sky looks blue
(Eliot 75)
When it comes to parenthetical citations, I am going to assume that you are using MLA guidelines. If so, it is only necessary to cite the author's last name, followed by the page number, with no parentheses between them. The last choice is the only one that just gives the last name, so it is correct.
