APA Style
Gray, Richard O., Corbally, Christopher J.. (2009).
Stellar spectral classification .
USA:
Princeton University.
Chicago Style
Gray, Richard O., Corbally, Christopher J..
Stellar spectral classification.
USA:
Princeton University,
2009.
Textbook.
MLA Style
Gray, Richard O., Corbally, Christopher J..
Stellar spectral classification.
USA:
Princeton University,
2009.
Textbook.
Turabian Style
Gray, Richard O., Corbally, Christopher J..
Stellar spectral classification.
USA:
Princeton University,
2009.
Textbook.