one of the most important issue while writing any paper (conference, journal or assignment) or any other form of publication is to pay a close attention to the formatting. one should make sure which guide needs to follow, and this is according to the discipline. for example, engineering use different guide than education. APA style is the style to be needed in few disciplines, to name some: education, social studies, or psychology.
here are a link to the page that explains APA style for tables and figures….
hope it will be a help