APA Style

KHAFAJI, A, W, A., ANDERSLAND, O, B. (1992). Geotechnical engineering and soil testing (1). Philadelphia: Saunders.

MLA Style

KHAFAJI, AMIR, WADI, AL-., ANDERSLAND, ORLANDO, B.. "Geotechnical engineering and soil testing". 1 Philadelphia: Saunders, 1992. Text.