Penggayaan APA
VELIKOVSKY, Immanuel. (1950).
Worlds in Collision .
New York:
a Delta Book.
Chicago Style
VELIKOVSKY, Immanuel.
Worlds in Collision.
New York:
a Delta Book,
1950.
Buku.
MLA Style
VELIKOVSKY, Immanuel.
Worlds in Collision.
New York:
a Delta Book,
1950.
Buku.
Turabian Style
VELIKOVSKY, Immanuel.
Worlds in Collision.
New York:
a Delta Book,
1950.
Buku.