Cita APA (7a ed.)
Helvie, C. O. (1981). Community health nursing: Theory and Process. Harper & Row.
Cita Chicago Style (17a ed.)
Helvie, Carl O. Community Health Nursing: Theory and Process. Philadelphia: Harper & Row, 1981.
Cita MLA (9a ed.)
Helvie, Carl O. Community Health Nursing: Theory and Process. Harper & Row, 1981.
Precaución: Estas citas no son 100% exactas.