Cita APA (7th ed.)

London, J. R., & London, R. H. (1980). Solving life problems in health: Volume 2 (2.). McGraw-Hill Book Company.

Cita Chicago (17th ed.)

London, Janet R., i Robert H. London. Solving Life Problems in Health: Volume 2. 2. New York: McGraw-Hill Book Company, 1980.

Cita MLA (9th ed.)

London, Janet R., i Robert H. London. Solving Life Problems in Health: Volume 2. 2. McGraw-Hill Book Company, 1980.