APA (7th ed.) Citation

(2014). Some Observations on Outer Space from Earth and Some Observations on Earth from Outer Space.

Chicago Style (17th ed.) Citation

Some Observations on Outer Space from Earth and Some Observations on Earth from Outer Space. 2014.

MLA (8th ed.) Citation

Some Observations on Outer Space from Earth and Some Observations on Earth from Outer Space. 2014.

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