Cita APA (7th ed.)
BOWLINGK, A., & ET AL. (1991). USE OF SERVICES IN OLD AGE: DATA FROM THREE SURVEYS OF ELDERLY PEOPLE.
Cita Chicago (17th ed.)
BOWLINGK, A., i ET AL. USE OF SERVICES IN OLD AGE: DATA FROM THREE SURVEYS OF ELDERLY PEOPLE. 1991.
Cita MLA (9th ed.)
BOWLINGK, A., i ET AL. USE OF SERVICES IN OLD AGE: DATA FROM THREE SURVEYS OF ELDERLY PEOPLE. 1991.
Atenció: Aquestes cites poden no estar 100% correctes.