His work was frequently cited by a wide range of national officials.

He has frequently cited this as the moment that changed his life.

It became a frequently cited source in the national financial press and television business news shows.

It remains the most frequently cited article in its field.

Throughout its run, 24 was frequently cited by critics as one of the best shows on television.

Its research is frequently cited in the mainstream national media.

Quality is frequently cited as a pioneer in the field.

He still frequently cites it as an example of his independence.

His work is frequently cited in both scientific and popular news sources.

The case was still frequently cited more than 20 years after the August 1983 ruling.