APA (7th ed.) Citation

Hederra, R. (1996). Vigilancia sanitaria. OPS.

Chicago Style (17th ed.) Citation

Hederra, Raimundo. Vigilancia Sanitaria. Ginebra: OPS, 1996.

MLA (9th ed.) Citation

Hederra, Raimundo. Vigilancia Sanitaria. OPS, 1996.

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