ISO690 Edition Citation

BUTLER, G. W. 1990. The 21st Century in Space: Advances in the Astronautical Sciences. Volume 70. 1. vyd. San Diego: American Astronautical Society.

APA (7th ed.) Citation

Butler, G. W. (1990). The 21st Century in Space: Advances in the Astronautical Sciences. Volume 70 (1. vyd.). American Astronautical Society.

Chicago Style (17th ed.) Citation

Butler, George W. The 21st Century in Space: Advances in the Astronautical Sciences. Volume 70. 1. vyd. San Diego: American Astronautical Society, 1990.

MLA (9th ed.) Citation

Butler, George W. The 21st Century in Space: Advances in the Astronautical Sciences. Volume 70. 1. vyd. American Astronautical Society, 1990.

Warning: These citations may not always be 100% accurate.