APA (7th ed.) Citation

Sullivan. (1964). We are not alone the search for intelligent life on other worlds. McGraw hil book compay.

Chicago Style (17th ed.) Citation

Sullivan. We Are Not Alone the Search for Intelligent Life on Other Worlds. New york: McGraw hil book compay, 1964.

MLA (9th ed.) Citation

Sullivan. We Are Not Alone the Search for Intelligent Life on Other Worlds. McGraw hil book compay, 1964.