APA Style
Ferguson, Dale C.. (2001).
Introductory astronomy exercises (2nd ed).
USA:
Brooks/cole.
Chicago Style
Ferguson, Dale C..
Introductory astronomy exercises.
2nd ed
USA:
Brooks/cole,
2001.
Textbook.
MLA Style
Ferguson, Dale C..
Introductory astronomy exercises.
2nd ed
USA:
Brooks/cole,
2001.
Textbook.
Turabian Style
Ferguson, Dale C..
Introductory astronomy exercises.
2nd ed
USA:
Brooks/cole,
2001.
Textbook.