APA Style
Engel, Christiane. (2017).
First Explorers: Astronauts .
London:
Campbell Books.
Chicago Style
Engel, Christiane.
First Explorers: Astronauts.
London:
Campbell Books,
2017.
Printed Book.
MLA Style
Engel, Christiane.
First Explorers: Astronauts.
London:
Campbell Books,
2017.
Printed Book.
Turabian Style
Engel, Christiane.
First Explorers: Astronauts.
London:
Campbell Books,
2017.
Printed Book.