Gibbs, R. Darnley. "Addendum". Chemotaxonomy of Flowering Plants: Four Volumes, Montreal: McGill-Queen's University Press, 1974, pp. 2303-2372. https://doi.org/10.1515/9780773592889-009
Gibbs, R. (1974). Addendum. In Chemotaxonomy of Flowering Plants: Four Volumes (pp. 2303-2372). Montreal: McGill-Queen's University Press. https://doi.org/10.1515/9780773592889-009
Gibbs, R. 1974. Addendum. Chemotaxonomy of Flowering Plants: Four Volumes. Montreal: McGill-Queen's University Press, pp. 2303-2372. https://doi.org/10.1515/9780773592889-009
Gibbs, R. Darnley. "Addendum" In Chemotaxonomy of Flowering Plants: Four Volumes, 2303-2372. Montreal: McGill-Queen's University Press, 1974. https://doi.org/10.1515/9780773592889-009
Gibbs R. Addendum. In: Chemotaxonomy of Flowering Plants: Four Volumes. Montreal: McGill-Queen's University Press; 1974. p.2303-2372. https://doi.org/10.1515/9780773592889-009