APA (7th ed.) Citation

Jones, C. F., & Picó, R. Symposium on the geography of Puerto Rico.

Chicago Style (17th ed.) Citation

Jones, Clarence F., and Rafael Picó. Symposium on the Geography of Puerto Rico.

MLA (8th ed.) Citation

Jones, Clarence F., and Rafael Picó. Symposium on the Geography of Puerto Rico.

Warning: These citations may not always be 100% accurate.