Gulf of Mexico. 60 percent of the continental United States drains into the Gulf of Mexico. Since 1990, hurricanes and tropical storms have cost the region more than $100 billion in damages to homes and property and over 9,000 deaths. Coastal tourism and recreational activities employ over 620,000 people in the region, yielding over $9 billion in wages annually.
In citing such papers using the name-and-date system, also known as the Harvard system, a long string of names proves awkwardâwhich is why most journals recommend the use of et al., which is Latin for et alii or et aliae and means âand others.â.
English - US. If pushed, I would put the 's with Johann: Johann's et al. findings. I would not attach it to et al., because al. is the abbreviation of a Latin word, and Latin doesn't form the possessive by 's. I would far prefer to get around the question by writing: the findings of Jahann et al. Dec 1, 2009.