McMillan, P. D., Wyatt, G., & Morris, R. (2006). The Begonia of Veracruz: Additions and revisions. Instituto de Ecología, A.C.
Cita Chicago Style (17a ed.)McMillan, Patrick D., Graham Wyatt, y Rekha Morris. The Begonia of Veracruz: Additions and Revisions. Instituto de Ecología, A.C, 2006.
Cita MLA (9a ed.)McMillan, Patrick D., et al. The Begonia of Veracruz: Additions and Revisions. Instituto de Ecología, A.C, 2006.