APA (7th ed.) Citation
VRIES, B., & ET AL. (1997). ETHNIC DIFFERENCES IN LATER LIFE FRIENDSHIP.
Chicago Style (17th ed.) Citation
VRIES, B.DE, and ET AL. ETHNIC DIFFERENCES IN LATER LIFE FRIENDSHIP. 1997.
MLA (9th ed.) Citation
VRIES, B.DE, and ET AL. ETHNIC DIFFERENCES IN LATER LIFE FRIENDSHIP. 1997.
Warning: These citations may not always be 100% accurate.