APA Style
Aftab Khan, M., Nesser,J.A and Ford,G.L. (1997).
Ecological Units of the Northern Region: Subsections (USDA) .
Ogden, Utah:
USDA Forest Service.
Chicago Style
Aftab Khan, M., Nesser,J.A and Ford,G.L.
Ecological Units of the Northern Region: Subsections (USDA).
Ogden, Utah:
USDA Forest Service,
1997.
.
MLA Style
Aftab Khan, M., Nesser,J.A and Ford,G.L.
Ecological Units of the Northern Region: Subsections (USDA).
Ogden, Utah:
USDA Forest Service,
1997.
.
Turabian Style
Aftab Khan, M., Nesser,J.A and Ford,G.L.
Ecological Units of the Northern Region: Subsections (USDA).
Ogden, Utah:
USDA Forest Service,
1997.
.