Cita APA (7th ed.)

Islas-Hernández, C. S., & Alvarado-Cárdenas, L. O. (2023). Synopsis of the genus Spigelia (Loganiaceae) in North America, Central America, and the Caribbean. Instituto de Ecología, A.C.

Cita Chicago (17th ed.)

Islas-Hernández, C. Sofia, i Leonardo O. Alvarado-Cárdenas. Synopsis of the Genus Spigelia (Loganiaceae) in North America, Central America, and the Caribbean. Instituto de Ecología, A.C, 2023.

Cita MLA (9th ed.)

Islas-Hernández, C. Sofia, i Leonardo O. Alvarado-Cárdenas. Synopsis of the Genus Spigelia (Loganiaceae) in North America, Central America, and the Caribbean. Instituto de Ecología, A.C, 2023.