APA (7th ed.) Citation

Freixedo, S. (1989). La amenaza extraterrestre. Bitácora.

Chicago Style (17th ed.) Citation

Freixedo, Salvador. La Amenaza Extraterrestre. San Fernando de Henares: Bitácora, 1989.

MLA (9th ed.) Citation

Freixedo, Salvador. La Amenaza Extraterrestre. Bitácora, 1989.

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