APA
MORTILLARO N., . (2022). 2023 night sky almanac : a month-by-month guide to North America's skies from the Royal Astronomical Society of Canada. Buffalo, New York: Firefly Books.
Chicago
MORTILLARO NICOLE, . 2022. 2023 night sky almanac : a month-by-month guide to North America's skies from the Royal Astronomical Society of Canada. Buffalo, New York: Firefly Books.
Harvard
MORTILLARO N., . (2022). 2023 night sky almanac : a month-by-month guide to North America's skies from the Royal Astronomical Society of Canada. Buffalo, New York: Firefly Books.
MLA
MORTILLARO NICOLE, . 2023 night sky almanac : a month-by-month guide to North America's skies from the Royal Astronomical Society of Canada. Buffalo, New York: Firefly Books. 2022.
TextPublication details: Buffalo, New York, Firefly Books, 2022ISBN: 
Books