APA (7th ed.) Citation

Osborne, R. H., & De George, F. V. (1959). Genetic basis of morphological variation: An evaluation and application of the twin study method. Harvard Univ. Press.

Chicago Style (17th ed.) Citation

Osborne, Richard H., and Frances V. De George. Genetic Basis of Morphological Variation: An Evaluation and Application of the Twin Study Method. Cambridge, Mass: Harvard Univ. Press, 1959.

MLA (9th ed.) Citation

Osborne, Richard H., and Frances V. De George. Genetic Basis of Morphological Variation: An Evaluation and Application of the Twin Study Method. Harvard Univ. Press, 1959.