APA Style
Horizons,exploring the universe. (1987).
Belmont:
Wadsworth Publ.Co..
Chicago Style
Horizons,exploring the universe.
.
Belmont:
Wadsworth Publ.Co.,
1987.
Text.
MLA Style
Horizons,exploring the universe.
.
Belmont:
Wadsworth Publ.Co.,
1987.
Text.
Turabian Style
Horizons,exploring the universe.
Belmont:
Wadsworth Publ.Co.,
1987.
Print.