A quick point: "et" is a complete Latin word meaning "and". Just like "and", it doesn't need a period after it, as it is not an abbreviation. Thus,
Buehler et. al. (2002)should be changed to Buehler et al. (2002)
A quick point: "et" is a complete Latin word meaning "and". Just like "and", it doesn't need a period after it, as it is not an abbreviation. Thus,
Buehler et. al. (2002)
should be changed to Buehler et al. (2002)