Παραπομπή σε μορφή APA (7η εκδ.)

Oparin, A. I. (1968). The origin and initial development of life. National Aeronautics and Space Administration ; for sale by the Clearinghouse for Federal Scientific and Technical Information.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Oparin, Aleksandr Ivanovich. The Origin and Initial Development of Life. [Washington, D.C.] : Springfireld, Va.: National Aeronautics and Space Administration ; for sale by the Clearinghouse for Federal Scientific and Technical Information, 1968.

Παραπομπή σε μορφή MLA (8th εκδ.)

Oparin, Aleksandr Ivanovich. The Origin and Initial Development of Life. National Aeronautics and Space Administration ; for sale by the Clearinghouse for Federal Scientific and Technical Information, 1968.