Cita APA

Robey, W. H. 1. (1939). Health at fifty. Cambridge, Massachusetts: Harvard University Press.

Citación estilo Chicago

Robey, William H. 1870-1954. Health At Fifty. Cambridge, Massachusetts: Harvard University Press, 1939.

Cita MLA

Robey, William H. 1870-1954. Health At Fifty. Cambridge, Massachusetts: Harvard University Press, 1939.