Roll-Hansen, N. Sources of Johannsen's Genotype Theory: Nils Roll-Hansen. Conference A Cultural History of Heredity III : 19th and early 20th centuries.(2005).
Цитирование в стиле Чикаго (17-е изд.)Roll-Hansen, Nils. "Sources of Johannsen's Genotype Theory: Nils Roll-Hansen." Conference A Cultural History of Heredity III : 19th and Early 20th Centuries.(2005) .
Цитирование MLA (8-е изд.)Roll-Hansen, Nils. "Sources of Johannsen's Genotype Theory: Nils Roll-Hansen." Conference A Cultural History of Heredity III : 19th and Early 20th Centuries.(2005), .
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.