Penggayaan APA
LEONARD, Jonathan Norton, SAGAN, Carl. (1972).
LIFE Science library (XXII) .
New York:
Time Incorporated.
Chicago Style
LEONARD, Jonathan Norton, SAGAN, Carl.
LIFE Science library (XXII).
New York:
Time Incorporated,
1972.
Buku.
MLA Style
LEONARD, Jonathan Norton, SAGAN, Carl.
LIFE Science library (XXII).
New York:
Time Incorporated,
1972.
Buku.
Turabian Style
LEONARD, Jonathan Norton, SAGAN, Carl.
LIFE Science library (XXII).
New York:
Time Incorporated,
1972.
Buku.