APA
Words & Pictures Corporation, Beer S., .My Halloween in 100 Words. [Place of publication not identified]: words & pictures.
Chicago
Words & Pictures Corporation, Beer Sophie, .My Halloween in 100 Words. [Place of publication not identified]: words & pictures.
Harvard
Words & Pictures Corporation, Beer S., .My Halloween in 100 Words. [Place of publication not identified]: words & pictures.
MLA
Words & Pictures Corporation, Beer Sophie, .[Place of publication not identified]: words & pictures. .