Cita APA

Sheppard, H. L. (1977). The graying of working America. The Free Press.

Citación estilo Chicago

Sheppard, Harold L. The Graying of Working America. The Free Press, 1977.

Cita MLA

Sheppard, Harold L. The Graying of Working America. The Free Press, 1977.

Warning: These citations may not always be 100% accurate.