Cita APA (7a ed.)

Meyerhoff, H. (1933). Geology of Puerto Rico. The University of Puerto Rico.

Cita Chicago Style (17a ed.)

Meyerhoff, Howard. Geology of Puerto Rico. San Juan: The University of Puerto Rico, 1933.

Cita MLA (8a ed.)

Meyerhoff, Howard. Geology of Puerto Rico. The University of Puerto Rico, 1933.