APA
Parsons E. C. M., . (2013). An introduction to marine mammal biology and conservation. Burlington, Mass: Jones & Bartlett Learning.
Chicago
Parsons Edward C M, . 2013. An introduction to marine mammal biology and conservation. Burlington, Mass: Jones & Bartlett Learning.
Harvard
Parsons E. C. M., . (2013). An introduction to marine mammal biology and conservation. Burlington, Mass: Jones & Bartlett Learning.
MLA
Parsons Edward C M, . An introduction to marine mammal biology and conservation. Burlington, Mass: Jones & Bartlett Learning. 2013.