APA Style
Sky and telescope : February 2017. (2017).
:
.
Chicago Style
Sky and telescope : February 2017.
.
:
,
2017.
Magazine.
MLA Style
Sky and telescope : February 2017.
.
:
,
2017.
Magazine.
Turabian Style
Sky and telescope : February 2017.
:
,
2017.
Magazine.