APA

Rutten M. G., . (1971). The origin of life by natural causes. London: Elsevier Publishing Company.

Chicago

Rutten M G, . 1971. The origin of life by natural causes. London: Elsevier Publishing Company.

Harvard

Rutten M. G., . (1971). The origin of life by natural causes. London: Elsevier Publishing Company.

MLA

Rutten M G, . The origin of life by natural causes. London: Elsevier Publishing Company. 1971.