Skinner, B. J. (1969). Earth resources. Prentice-Hall.
Chicago Style (17th ed.) CitationSkinner, Brian J. Earth Resources. Englewood Cliffs, N.J.: Prentice-Hall, 1969.
MLA (8th ed.) CitationSkinner, Brian J. Earth Resources. Prentice-Hall, 1969.
Warning: These citations may not always be 100% accurate.