Write about tangshan earthquake

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You can use any reference style you’d
like, so long as all the appropriate information is given
and you are consistent. Use inline citations for citations throughout your text; see below for
some guidelines on citing. Inline citations should have a format of (Author’s last name, year); if
th
e author is not given (say on a web page from a government site) use the agency’s name, for
example, something from the US Geological Survey would be cited as (USGS, 2003) rather than
(Anonymous, 2003). If you have more than one source from, say, the USGS
from 2003, cite
them as (USGS, 2003a) and (USGS, 2003b) and clearly denote which is which in your
bibliography