APA Citation

Maas, P. J. M. 1., & Maas-van de Kamer, H. 1. Notes on new world Zingiberaceae IV: Some new species of Costus and Renealmia.

Chicago Style Citation

Maas, Paul Johannes Maria 1939-, and Hiltje 1941- Maas-van de Kamer. Notes On New World Zingiberaceae IV: Some New Species of Costus and Renealmia.

MLA Citation

Maas, Paul Johannes Maria 1939-, and Hiltje 1941- Maas-van de Kamer. Notes On New World Zingiberaceae IV: Some New Species of Costus and Renealmia.

Warning: These citations may not always be 100% accurate.