Marketing News is a magazine from the American Marketing Association that covers all aspects of the marketing industry. It is mainly read by academics and people working directly in marketing. Therefore, it is an example of a(n) publication.

Vertical publication.

Explanation:

A vertical publication can be defined as the publications whose editorial content is primarily focused on specific industries or business e.g Marketing News.

Marketing News a magazine from the American Marketing Association that covers all aspects of the marketing industry, is mainly read by academics and people working directly in marketing. Therefore, it is an example of a vertical publication.