APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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