Cita APA

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

Citación estilo Chicago

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

Cita MLA

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