You should avoid citing secondary sources whenever possible. If you are unable to access the primary source, you may make an exception and cite the secondary source. In the reference, you need to specify information about both the primary source and the secondary source that you have used.
In the following example, you have read James Wertsch, who quoted the Russian linguist and literary scholar Mikhail Bakhtin, who describes the word in language as half of someone else’s.
The following information should be included in the footnote:
The following information should be included in the reference list: