Hello,
I wonder which is correct.
Ex. Recognizing others' attitudes is difficult.
Recognizing others's attitudes is difficult.
others'
others's
From 3.7 - Apostrophe
In phrases using the pronoun "other," form the possessive by following the general rule for nouns. Form the singular possessive with apostrophe s and the plural with an apostrophe
Examples:
each other's letters one another's houses
the others' reports [the reports of the others]