Which option shows the correct use of quotations?

1. United States Geological Survey. “Saving Salamanders: Vital to Ecosystem Health.” USGS website. Released December 13, 2016.

2. Dr. Robert Goddard devoted his life to scientific research and testing. (NASA 2017)

3. The Civil War tore apart the nation as states fought one another from 1861 to 1865. When the war ended, 750,000 Americans had died, and 4 million people had been freed from slavery.

4. According to NASA, Dr. Robert Goddard had a “lifetime of devoted research and testing.” (NASA 2017)

4. According to NASA, Dr. Robert Goddard had a “lifetime of devoted research and testing.” (NASA 2017)