APA Style

BEAR, Jacob. (). Physical principles of water percolation and seepage:Arid zone research (Ed. 4). America: Unesco.

Chicago Style

BEAR, Jacob. Physical principles of water percolation and seepage:Arid zone research. Ed. 4 America: Unesco, . Text.

MLA Style

BEAR, Jacob. Physical principles of water percolation and seepage:Arid zone research. Ed. 4 America: Unesco, . Text.

Turabian Style

BEAR, Jacob. Physical principles of water percolation and seepage:Arid zone research. Ed. 4 America: Unesco, . Print.