Cita APA (7a ed.)
International Association for Aerobiology & Scandinavian Palynological Collegium. Grana. Almqvist & Wiksell Periodical Company.
Cita Chicago Style (17a ed.)
International Association for Aerobiology y Scandinavian Palynological Collegium. Grana. Stockholm, Sweden: Almqvist & Wiksell Periodical Company.
Cita MLA (9a ed.)
International Association for Aerobiology y Scandinavian Palynological Collegium. Grana. Almqvist & Wiksell Periodical Company.
Precaución: Estas citas no son 100% exactas.