Cita APA

Ramírez, C., & Flores, D. (1994). Structure of dinitrogen fixing nodules in Erythrina poeppigiana.

Chicago Style Citation

Ramírez, Carlos, i Dora Flores. Structure of Dinitrogen Fixing Nodules in Erythrina Poeppigiana. 1994.

Cita MLA

Ramírez, Carlos, i Dora Flores. Structure of Dinitrogen Fixing Nodules in Erythrina Poeppigiana. 1994.

Atenció: Aquestes cites poden no estar 100% correctes.