APA

Stafleu F. a., Cowan R. S., . (1983). Taxonomic literature : a selective guide to botanical publications with dates, commentaries and types : volume 4, P-Sak. Utrecht: Scheltema & Holkema; International Association for Plant Taxonomy; W. Junk.

Chicago

Stafleu Frans a, Cowan Richard S, . 1983. Taxonomic literature : a selective guide to botanical publications with dates, commentaries and types : volume 4, P-Sak. Utrecht: Scheltema & Holkema; International Association for Plant Taxonomy; W. Junk.

Harvard

Stafleu F. a., Cowan R. S., . (1983). Taxonomic literature : a selective guide to botanical publications with dates, commentaries and types : volume 4, P-Sak. Utrecht: Scheltema & Holkema; International Association for Plant Taxonomy; W. Junk.

MLA

Stafleu Frans a, Cowan Richard S, . Taxonomic literature : a selective guide to botanical publications with dates, commentaries and types : volume 4, P-Sak. Utrecht: Scheltema & Holkema; International Association for Plant Taxonomy; W. Junk. 1983.