Citazione Stile APA (7a Edizione)

Blaauw, A., & Schmidt, M. (1965). Galactic structure. University of Chicago Press.

Citazione stile Chigago Style (17a edizione)

Blaauw, Adriaan, e Maarten Schmidt. Galactic Structure. Chicago: University of Chicago Press, 1965.

Citatione MLA (8a ed.)

Blaauw, Adriaan, e Maarten Schmidt. Galactic Structure. University of Chicago Press, 1965.