APA Style
Seeds, Michael A.. (1991).
Horizons : exploring the universe. (4th ed).
USA:
Wadsworth.
Chicago Style
Seeds, Michael A..
Horizons : exploring the universe..
4th ed
USA:
Wadsworth,
1991.
Textbook.
MLA Style
Seeds, Michael A..
Horizons : exploring the universe..
4th ed
USA:
Wadsworth,
1991.
Textbook.
Turabian Style
Seeds, Michael A..
Horizons : exploring the universe..
4th ed
USA:
Wadsworth,
1991.
Textbook.