APA (7th ed.) Citation

Ostelius, H. (1963). Islands of pleasure: A guide to the Philippines. George Allen & Unwin Ltd.

Chicago Style (17th ed.) Citation

Ostelius, Hans. Islands of Pleasure: A Guide to the Philippines. London: George Allen & Unwin Ltd, 1963.

MLA (9th ed.) Citation

Ostelius, Hans. Islands of Pleasure: A Guide to the Philippines. George Allen & Unwin Ltd, 1963.