APA (7th ed.) Citation

Egea, L. A. (1971). [Costes variables]. [s.n.].

Chicago Style (17th ed.) Citation

Egea, Luis Antonio. [Costes Variables]. [S.l.]: [s.n.], 1971.

MLA (9th ed.) Citation

Egea, Luis Antonio. [Costes Variables]. [s.n.], 1971.

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