Johnson, L. G. (1964). Theory and technique of variation research / by L.G. Johnson. Elsevier.
Chicago Style (17th ed.) CitationJohnson, L. G. Theory and Technique of Variation Research / by L.G. Johnson. Elsevier, 1964.
MLA (9th ed.) CitationJohnson, L. G. Theory and Technique of Variation Research / by L.G. Johnson. Elsevier, 1964.
Warning: These citations may not always be 100% accurate.