APA-Zitierstil (7. Ausg.)

Koelle, H. H., & Stephenson, D. G. (2001). Preparing for a 21st century program of integrated, lunar and Martian exploration and development 2.0. Technical Univ., Inst. of Aeronautics and Astronautics.

Chicago-Zitierstil (17. Ausg.)

Koelle, Heinz Hermann, und David G. Stephenson. Preparing for a 21st Century Program of Integrated, Lunar and Martian Exploration and Development 2.0. Berlin: Technical Univ., Inst. of Aeronautics and Astronautics, 2001.

MLA-Zitierstil (9. Ausg.)

Koelle, Heinz Hermann, und David G. Stephenson. Preparing for a 21st Century Program of Integrated, Lunar and Martian Exploration and Development 2.0. Technical Univ., Inst. of Aeronautics and Astronautics, 2001.