APA-Zitierstil (7. Ausg.)

Hoyle, F., & Wickramasinghe, N. C. (1982). Proofs that life is cosmic. Government Pr.

Chicago-Zitierstil (17. Ausg.)

Hoyle, Fred, und Nalin C. Wickramasinghe. Proofs That Life Is Cosmic. [Colombo]: Government Pr, 1982.

MLA-Zitierstil (9. Ausg.)

Hoyle, Fred, und Nalin C. Wickramasinghe. Proofs That Life Is Cosmic. Government Pr, 1982.