Παραπομπή APA

Witt, P. N. (1968). Spider's web: Problems in regulatory biology.

Παραπομπή Chicago Style

Witt, Peter N. Spider's Web: Problems in Regulatory Biology. Springer-Verlag, New York, 1968.

Παραπομπή MLA

Witt, Peter N. Spider's Web: Problems in Regulatory Biology. 1968.