APA (7th ed.) Citation

Fernández de Castro, M. M. (1949). Un colegial detective. Escelicer.

Chicago Style (17th ed.) Citation

Fernández de Castro, Manuel María. Un Colegial Detective. Madrid [etc.]: Escelicer, 1949.

MLA (9th ed.) Citation

Fernández de Castro, Manuel María. Un Colegial Detective. Escelicer, 1949.

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