APA
Scharpenseel H. W. (., Schomaker M. (. & Youb A. ed. (1990). Soils on a warmer earth. Amsterdam: Elsevier.
Chicago
Scharpenseel H W (ed), Schomaker M (ed) and Youb A. ed. 1990. Soils on a warmer earth. Amsterdam: Elsevier.
Harvard
Scharpenseel H. W. (., Schomaker M. (. and Youb A. ed. (1990). Soils on a warmer earth. Amsterdam: Elsevier.
MLA
Scharpenseel H W (ed), Schomaker M (ed) and Youb A. ed. Soils on a warmer earth. Amsterdam: Elsevier. 1990.