Cita APA (7th ed.)

Thomas, J. H., & Powell, D. E. B. (1971). Blood disorders in the elderly. John Wright.

Cita Chicago (17th ed.)

Thomas, John Hirwain, i David Edward Baden Powell. Blood Disorders in the Elderly. Bristol: John Wright, 1971.

Cita MLA (8th ed.)

Thomas, John Hirwain, i David Edward Baden Powell. Blood Disorders in the Elderly. John Wright, 1971.