Παραπομπή APA

Vernberg, W. (1974). Symbiosis in the sea. University of south carolina.

Παραπομπή Chicago Style

Vernberg, Winona. Symbiosis in the Sea. Columbia: University of south carolina, 1974.

Παραπομπή MLA

Vernberg, Winona. Symbiosis in the Sea. University of south carolina, 1974.