APA (7th ed.) Citation

Perusse, R. I. (1990). The United States and Puerto Rico: The struggle for equality. R.E. Krieger Pub. Co..

Chicago Style (17th ed.) Citation

Perusse, Roland I. The United States and Puerto Rico: The Struggle for Equality. Malabar, Fla.: R.E. Krieger Pub. Co., 1990.

MLA (9th ed.) Citation

Perusse, Roland I. The United States and Puerto Rico: The Struggle for Equality. R.E. Krieger Pub. Co., 1990.