APA Style
John, Duncan. (2007).
Astronomy: The definitive guide to the universe (1 st ed.).
United Kingdom:
Parragon.
Chicago Style
John, Duncan.
Astronomy: The definitive guide to the universe.
1 st ed.
United Kingdom:
Parragon,
2007.
Textbook.
MLA Style
John, Duncan.
Astronomy: The definitive guide to the universe.
1 st ed.
United Kingdom:
Parragon,
2007.
Textbook.
Turabian Style
John, Duncan.
Astronomy: The definitive guide to the universe.
1 st ed.
United Kingdom:
Parragon,
2007.
Textbook.