Cheek, M., Magassouba, S., Molmou, D., Doré, T. S., Couch, C., Yasuda, S., . . . Gosline, G. (2018). A key to the species of Keetia (Rubiaceae - Vanguerieae) in West Africa, with three new, threatened species from Guinea and Ivory Coast. Kew Bulletin, 73(4), 1. https://doi.org/10.2307/45391193
Chicago-referens (17:e uppl.)Cheek, Martin, et al. "A Key to the Species of Keetia (Rubiaceae - Vanguerieae) in West Africa, with Three New, Threatened Species from Guinea and Ivory Coast." Kew Bulletin 73, no. 4 (2018): 1. https://doi.org/10.2307/45391193.
MLA-referens (9:e uppl.)Cheek, Martin, et al. "A Key to the Species of Keetia (Rubiaceae - Vanguerieae) in West Africa, with Three New, Threatened Species from Guinea and Ivory Coast." Kew Bulletin, vol. 73, no. 4, 2018, p. 1, https://doi.org/10.2307/45391193.
