APA (7th ed.) Citation

Catran, J. (1979). Is there intelligent life on earth? Lidiraven Books.

Chicago Style (17th ed.) Citation

Catran, Jack. Is There Intelligent Life on Earth? Sherman Oaks, CA: Lidiraven Books, 1979.

MLA (9th ed.) Citation

Catran, Jack. Is There Intelligent Life on Earth? Lidiraven Books, 1979.

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