Final answer:
A collection of poems by an Indigenous author reflecting on their family is the best source to gain knowledge of a culture.
Explanation:
The source that would most likely help someone gain knowledge of a culture is a collection of poems by an Indigenous author reflecting on their family. Indigenous authors, through their works, offer insights into their culture, traditions, and values, providing an authentic and personal perspective. These poems can convey deep cultural meanings, emotions, and experiences unique to that specific Indigenous group.
Learn more about Understanding cultures through literature here:
https://brainly.com/question/27893962