APA Style
SAGAN, CARL, LEONARD, JONATHAN NORTON. (1967, 1975).
PLANETS .
NEW YORK, NEW YORK:
TIME-LIFE BOOKS.
Chicago Style
SAGAN, CARL, LEONARD, JONATHAN NORTON.
PLANETS.
NEW YORK, NEW YORK:
TIME-LIFE BOOKS,
1967, 1975.
Text.
MLA Style
SAGAN, CARL, LEONARD, JONATHAN NORTON.
PLANETS.
NEW YORK, NEW YORK:
TIME-LIFE BOOKS,
1967, 1975.
Text.
Turabian Style
SAGAN, CARL, LEONARD, JONATHAN NORTON.
PLANETS.
NEW YORK, NEW YORK:
TIME-LIFE BOOKS,
1967, 1975.
Print.