APA Citation

Arthur C. Clarke's. July 20, 2019 life in 21st century. New York: Mc Millan Publishing.

Chicago Style Citation

Arthur C. Clarke's. July 20, 2019 Life in 21st Century. New York: Mc Millan Publishing.

MLA Citation

Arthur C. Clarke's. July 20, 2019 Life in 21st Century. New York: Mc Millan Publishing.

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