APA

(1993). LIAISON: Informative bulletin of the Resource Center for Science and Engineering. San Juan, P.R: University of Puerto Rico.

Chicago

1993. LIAISON: Informative bulletin of the Resource Center for Science and Engineering. San Juan, P.R: University of Puerto Rico.

Harvard

(1993). LIAISON: Informative bulletin of the Resource Center for Science and Engineering. San Juan, P.R: University of Puerto Rico.

MLA

LIAISON: Informative bulletin of the Resource Center for Science and Engineering. San Juan, P.R: University of Puerto Rico. 1993.