APA (7th ed.) Citation

Johansson, J. T. (1992). Pollen morphology in Psychotria (Rubiaceae, Rubioideae, Psychotrieae) and its taxonomic significance: A preliminary survey. Council for Nordic Publ. in Botany.

Chicago Style (17th ed.) Citation

Johansson, Jan T. Pollen Morphology in Psychotria (Rubiaceae, Rubioideae, Psychotrieae) and Its Taxonomic Significance: A Preliminary Survey. Copenhagen: Council for Nordic Publ. in Botany, 1992.

MLA (9th ed.) Citation

Johansson, Jan T. Pollen Morphology in Psychotria (Rubiaceae, Rubioideae, Psychotrieae) and Its Taxonomic Significance: A Preliminary Survey. Council for Nordic Publ. in Botany, 1992.