APA (7th ed.) Citation

Volkman, T. A., & Caldwell, I. (1990). Sulawesi: The Celebes. Periplus Editions.

Chicago Style (17th ed.) Citation

Volkman, Toby Alice, and Ian Caldwell. Sulawesi: The Celebes. Sinagpore: Periplus Editions, 1990.

MLA (9th ed.) Citation

Volkman, Toby Alice, and Ian Caldwell. Sulawesi: The Celebes. Periplus Editions, 1990.