APA Style
Sky and telescope : April 2016. (2016).
:
.
Chicago Style
Sky and telescope : April 2016.
.
:
,
2016.
Magazine.
MLA Style
Sky and telescope : April 2016.
.
:
,
2016.
Magazine.
Turabian Style
Sky and telescope : April 2016.
:
,
2016.
Magazine.