APA (7th ed.) Citation

Umbral, F., & Haro Tecglen, E. (1999). Los helechos arborescentes. Planeta.

Chicago Style (17th ed.) Citation

Umbral, Francisco, and Eduardo Haro Tecglen. Los Helechos Arborescentes. Barcelona: Planeta, 1999.

MLA (9th ed.) Citation

Umbral, Francisco, and Eduardo Haro Tecglen. Los Helechos Arborescentes. Planeta, 1999.

Warning: These citations may not always be 100% accurate.