APA Citation

O.M.S., & O.P.S. (1978). Mercurio. Washington, D. C.: O.P.S..

Chicago Style Citation

O.M.S., and O.P.S. Mercurio. Washington, D. C.: O.P.S., 1978.

MLA Citation

O.M.S., and O.P.S. Mercurio. Washington, D. C.: O.P.S., 1978.

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