Wolff, K. (1988). Natural selection in Plantago species: A genetical analysis of ecologically relevant morphological variability. Rijksuniversiteit te Groningen.
Citação do estilo Chicago (17ª ed.)Wolff, Kirsten. Natural Selection in Plantago Species: A Genetical Analysis of Ecologically Relevant Morphological Variability. Netherlands: Rijksuniversiteit te Groningen, 1988.
Citação MLA (8ª ed.)Wolff, Kirsten. Natural Selection in Plantago Species: A Genetical Analysis of Ecologically Relevant Morphological Variability. Rijksuniversiteit te Groningen, 1988.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.