Cita APA (7a ed.)

Garrison, R. (1984). The MK Process and Stellar Classification. David Dunlap Observatory.

Cita Chicago Style (17a ed.)

Garrison, R.F. The MK Process and Stellar Classification. Toronto: David Dunlap Observatory, 1984.

Cita MLA (9a ed.)

Garrison, R.F. The MK Process and Stellar Classification. David Dunlap Observatory, 1984.