APA Style
Blyton, E.
(2019).
The secret seven collection 3: books 7-9
(
Ed. 1)
.
London:
Hodder Children's Books.
MLA Style
Blyton, Enid.
"The secret seven collection 3: books 7-9".
Ed. 1
London:
Hodder Children's Books,
2019.
Text.