APA

Van Middeldyk R. A., Brumbaugh M. G., . (1915). The history of Puerto Rico: from the Spanish discovery to the American occupation. New York: D. Appleton and Company.

Chicago

Van Middeldyk Rudolph Adams, Brumbaugh Martin Grove, . 1915. The history of Puerto Rico: from the Spanish discovery to the American occupation. New York: D. Appleton and Company.

Harvard

Van Middeldyk R. A., Brumbaugh M. G., . (1915). The history of Puerto Rico: from the Spanish discovery to the American occupation. New York: D. Appleton and Company.

MLA

Van Middeldyk Rudolph Adams, Brumbaugh Martin Grove, . The history of Puerto Rico: from the Spanish discovery to the American occupation. New York: D. Appleton and Company. 1915.