Cita APA (7th ed.)

Ball, A. P., & Gary, J. A. (1984). Colour aids, infectious diseases. Livingstone.

Cita Chicago (17th ed.)

Ball, A. P., i J. A. Gary. Colour Aids, Infectious Diseases. Edinburgh: Livingstone, 1984.

Cita MLA (9th ed.)

Ball, A. P., i J. A. Gary. Colour Aids, Infectious Diseases. Livingstone, 1984.