Cita APA (7a ed.)

Barrington, E. J. W. (1965). The biology of Hemichordata and Protochordata. W. H. Freeman.

Cita Chicago Style (17a ed.)

Barrington, E. J. W. The Biology of Hemichordata and Protochordata. San Francisco: W. H. Freeman, 1965.

Cita MLA (9a ed.)

Barrington, E. J. W. The Biology of Hemichordata and Protochordata. W. H. Freeman, 1965.