APA引文

Porterfield, J. (2018). The benefits of spaceflight and space exploration (First edition.). Britannica Educational Publishing in association with Rosen Educational Services.

Chicago Style (17th ed.) Citation

Porterfield, Jason. The Benefits of Spaceflight and Space Exploration. First edition. New York, NY: Britannica Educational Publishing in association with Rosen Educational Services, 2018.

MLA引文

Porterfield, Jason. The Benefits of Spaceflight and Space Exploration. First edition. Britannica Educational Publishing in association with Rosen Educational Services, 2018.

警告：這些引文格式不一定是100％准確.