APA (7th ed.) Citation

Group, P. I. R. (1994). Unhealthy trends. The author.

Chicago Style (17th ed.) Citation

Group, Public Interest Research. Unhealthy Trends. The author, 1994.

MLA (9th ed.) Citation

Group, Public Interest Research. Unhealthy Trends. The author, 1994.

Warning: These citations may not always be 100% accurate.