Cita APA (7a ed.)
Johnson, D. W. (1978). The care and feeding of volunteers. Abingdon.
Cita Chicago Style (17a ed.)
Johnson, Douglas W. The Care and Feeding of Volunteers. Nashville: Abingdon, 1978.
Cita MLA (9a ed.)
Johnson, Douglas W. The Care and Feeding of Volunteers. Abingdon, 1978.
Precaución: Estas citas no son 100% exactas.