The given information is taken directly from Exercise 3 in the CHEM 111/112 Laboratory Manual. "Another example of excellence in the presentation of data comes from a study on the cholera outbreak in London in 1854 drawn by John Snow. By overlaying the residences of the casualties on a city map that showed sources of water, the pump on Broad Street appears to be clearly implicated in the transmission of the disease." While writing your report, you use this source for background information about data presentation as follows: "An example of excellence in data presentation comes from a study of the cholera outbreak in London in 1854. John Snow created a city map that showed the residences of the casualties and sources of water. According to this map, the pump on Broad Street appears to be clearly implicated in the transmission of the disease."3 How should this be cited?