Acronym or initialism presentation

When creating an acronyms/initialisms in a document which will be referenced throughout the document, what is the proper way to display it for the first time? ("Word") or just (Word)?


Solution 1:

The typical way to introduce your acronym is to write out the entire phrase in the body of the text, then introduce the acronym in parentheses after it.

...we have examined the effect of new acronym generation (NAG) on comprehensibility of...

Solution 2:

Define the three-letter acronym (TLA) on first use, then use the abbreviated form in subsequent mentions.