APA Style

WEIR, W.W.. (). Productive Soils (1). : .

Chicago Style

WEIR, W.W.. Productive Soils. 1 : , . Hard Copy.

MLA Style

WEIR, W.W.. Productive Soils. 1 : , . Hard Copy.

Turabian Style

WEIR, W.W.. Productive Soils. 1 : , . Hard Copy.