Παραπομπή APA

Collins, S. (1971). The Mariner 6 and 7 pictures of Mars. Washington: Scientific and Technical Information Office, National Aeronautics and Space Administration.

Παραπομπή Chicago Style

Collins, Stewart. The Mariner 6 and 7 Pictures of Mars. Washington: Scientific and Technical Information Office, National Aeronautics and Space Administration, 1971.

Παραπομπή MLA

Collins, Stewart. The Mariner 6 and 7 Pictures of Mars. Washington: Scientific and Technical Information Office, National Aeronautics and Space Administration, 1971.

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