APA Style
Osterbrock, Donald E., Ferland, Gary J.. (2006).
Astrophysics of gaseous nebulae and active galactic nuclei (2 nd ed.).
USA:
University Science Books.
Chicago Style
Osterbrock, Donald E., Ferland, Gary J..
Astrophysics of gaseous nebulae and active galactic nuclei.
2 nd ed.
USA:
University Science Books,
2006.
Textbook.
MLA Style
Osterbrock, Donald E., Ferland, Gary J..
Astrophysics of gaseous nebulae and active galactic nuclei.
2 nd ed.
USA:
University Science Books,
2006.
Textbook.
Turabian Style
Osterbrock, Donald E., Ferland, Gary J..
Astrophysics of gaseous nebulae and active galactic nuclei.
2 nd ed.
USA:
University Science Books,
2006.
Textbook.