Gaya APA
Webster, M. et al (1995).
Merriam-Webster's Guide to Punctuation and Style .
Massachusetts:
Merriam-Webster, Incorporated.
Gaya MLA
Webster, Merriam. et al.
"Merriam-Webster's Guide to Punctuation and Style".
Massachusetts:
Merriam-Webster, Incorporated,
1995.
Art Original.