Lumpkin, J. R. (1986). The relationship between locus of control and age: New evidence. [s.n.].
Chicago Style (17th ed.) CitationLumpkin, James R. The Relationship Between Locus of Control and Age: New Evidence. [S.l.]: [s.n.], 1986.
MLA (9th ed.) CitationLumpkin, James R. The Relationship Between Locus of Control and Age: New Evidence. [s.n.], 1986.
Warning: These citations may not always be 100% accurate.