APA Style
Krulik, N.
().
How Do You Pee in Space? #13 (George Brown, Class Clown)
.
:
Grosset & Dunlap.
MLA Style
Krulik, Nancy.
"How Do You Pee in Space? #13 (George Brown, Class Clown)".
:
Grosset & Dunlap,
.
Printed Book.