Παραπομπή APA

(1969). PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCE OF THE UNITED STATES OF AMERICA ( J ). THE NATIONAL ACADEMY OF SCIENCE.

Παραπομπή Chicago Style

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCE OF THE UNITED STATES OF AMERICA ( J ). USA: THE NATIONAL ACADEMY OF SCIENCE, 1969.

Παραπομπή MLA

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCE OF THE UNITED STATES OF AMERICA ( J ). THE NATIONAL ACADEMY OF SCIENCE, 1969.