APA (7th ed.) Citation

Koch, K., & Sabater Sales, A. (1994). Vietnam. Editors, S.A.

Chicago Style (17th ed.) Citation

Koch, Klaus, and Ana Sabater Sales. Vietnam. Barcelona: Editors, S.A, 1994.

MLA (9th ed.) Citation

Koch, Klaus, and Ana Sabater Sales. Vietnam. Editors, S.A, 1994.