APA

Puerto Rico, . (19). Optometry catalog. San Juan, P. R: Inter American University of Puerto Rico.

Chicago

Puerto Rico, . 19. Optometry catalog. San Juan, P. R: Inter American University of Puerto Rico.

Harvard

Puerto Rico, . (19). Optometry catalog. San Juan, P. R: Inter American University of Puerto Rico.

MLA

Puerto Rico, . Optometry catalog. San Juan, P. R: Inter American University of Puerto Rico. 19.