एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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