APA-referens (7:e uppl.)

Robertson, K. R., Phipps, J. B., Rohrer, J. R., & Smith, P. G. (1991). A Synopsis of Genera in Maloideae (Rosaceae). Systematic Botany, 16(2), 376-394. https://doi.org/10.2307/2419287

Chicago-referens (17:e uppl.)

Robertson, Kenneth R., James B. Phipps, Joseph R. Rohrer, och Paul G. Smith. "A Synopsis of Genera in Maloideae (Rosaceae)." Systematic Botany 16, no. 2 (1991): 376-394. https://doi.org/10.2307/2419287.

MLA-referens (9:e uppl.)

Robertson, Kenneth R., et al. "A Synopsis of Genera in Maloideae (Rosaceae)." Systematic Botany, vol. 16, no. 2, 1991, pp. 376-394, https://doi.org/10.2307/2419287.