APA
White House Conference on Aging, White House Conference on Aging, White House Conference on Aging & Puerto Rico. (1960). Puerto Rico's elders: how they came to be and how they fare. [Washington, D. C.]: Puerto Rico Council for the White House Conference on Aging.
Chicago
White House Conference on Aging, White House Conference on Aging, White House Conference on Aging and Puerto Rico. 1960. Puerto Rico's elders: how they came to be and how they fare. [Washington, D. C.]: Puerto Rico Council for the White House Conference on Aging.
Harvard
White House Conference on Aging, White House Conference on Aging, White House Conference on Aging and Puerto Rico. (1960). Puerto Rico's elders: how they came to be and how they fare. [Washington, D. C.]: Puerto Rico Council for the White House Conference on Aging.
MLA
White House Conference on Aging, White House Conference on Aging, White House Conference on Aging and Puerto Rico. Puerto Rico's elders: how they came to be and how they fare. [Washington, D. C.]: Puerto Rico Council for the White House Conference on Aging. 1960.