APA ציטוט

Gerathewohl, S. J. (1963). Principles of bioastronautics. Prentice-Hall.

Chicago Style (17th ed.) Citation

Gerathewohl, Siegfried J. Principles of Bioastronautics. Englewood Cliffs, N. J: Prentice-Hall, 1963.

ציטוט MLA

Gerathewohl, Siegfried J. Principles of Bioastronautics. Prentice-Hall, 1963.