एपीए उद्धरण

Martin Alexander. (1961). Introduction to soil microbiology. New York: John Wiley.

शिकागो स्टाइल उद्धरण

Martin Alexander. Introduction to Soil Microbiology. New York: John Wiley, 1961.

एमएलए उद्धरण

Martin Alexander. Introduction to Soil Microbiology. New York: John Wiley, 1961.