APA Style
Lewis, John S.. (1998).
Worlds without end : the exploration of planets known and unknown .
USA:
Perseus Books.
Chicago Style
Lewis, John S..
Worlds without end : the exploration of planets known and unknown.
USA:
Perseus Books,
1998.
Textbook.
MLA Style
Lewis, John S..
Worlds without end : the exploration of planets known and unknown.
USA:
Perseus Books,
1998.
Textbook.
Turabian Style
Lewis, John S..
Worlds without end : the exploration of planets known and unknown.
USA:
Perseus Books,
1998.
Textbook.