APA (7th ed.) Citation

Barton, Lau, & Azni Ahmad. (1997). Kepupusan Spesies. Vinpress.

Chicago Style (17th ed.) Citation

Barton, Lau, and Azni Ahmad. Kepupusan Spesies. Kuala Lumpur: Vinpress, 1997.

MLA (8th ed.) Citation

Barton, et al. Kepupusan Spesies. Vinpress, 1997.