APA (7th ed.) Citation

Roberts, S. H. (1927). Population problems of the Pacific. Routledge.

Chicago Style (17th ed.) Citation

Roberts, Stephen H. Population Problems of the Pacific. London: Routledge, 1927.

MLA (9th ed.) Citation

Roberts, Stephen H. Population Problems of the Pacific. Routledge, 1927.

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