Fertilizer and other agricultural waste pouring into the Gulf of Mexico creates a larger and larger patch of lifeless ocean each year. Finally, the EPA has a plan of attack. Is it enough?
The abbreviation et al. means and others. It is most often used when a work you are citing in your paper has multiple authors. When a work has two authors, cite both names every time the reference occurs in the text.
The abbreviation et al. means and others. It is most often used when a work you are citing in your paper has multiple authors. Here are the guidelines from the Publication of the American Psychological Association (6th ed.), page 175: