APA (7th ed.) Citation

Idaho, Montana, North Dakota, South Dakota, Wyoming ZIP+4 state directory [microform].

Chicago Style (17th ed.) Citation

Idaho, Montana, North Dakota, South Dakota, Wyoming ZIP+4 State Directory [microform].

MLA (9th ed.) Citation

Idaho, Montana, North Dakota, South Dakota, Wyoming ZIP+4 State Directory [microform].

Warning: These citations may not always be 100% accurate.