APA (7th ed.) Citation

Oey, E. M. (1991). Sumatra. Periplus Editions.

Chicago Style (17th ed.) Citation

Oey, Eric M. Sumatra. Berkeley, Calif: Periplus Editions, 1991.

MLA (9th ed.) Citation

Oey, Eric M. Sumatra. Periplus Editions, 1991.

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