APA استشهاد

Hills, E. S. (1965). Elements of structural geology. Asia publishing House.

استشهاد بنمط شيكاغو

Hills, E Sheron. Elements of Structural Geology. Bombay: Asia publishing House, 1965.

MLA استشهاد

Hills, E Sheron. Elements of Structural Geology. Asia publishing House, 1965.