Citazione Stile APA (7a Edizione)
Osborne, R. H., & De George, F. V. (1959). Genetic basis of morphological variation: An evaluation and application of the twin study method. Harvard Univ. Pr.
Citazione stile Chigago Style (17a edizione)
Osborne, Richard H., e Frances V. De George. Genetic Basis of Morphological Variation: An Evaluation and Application of the Twin Study Method. Cambridge/Mass: Harvard Univ. Pr, 1959.
Citatione MLA (9a ed.)
Osborne, Richard H., e Frances V. De George. Genetic Basis of Morphological Variation: An Evaluation and Application of the Twin Study Method. Harvard Univ. Pr, 1959.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.