APA (7th ed.) Citation

Ertl, J., Otzen, U., & Peters, R. (1986). Agricultural cooperation with the Philippines. DIE.

Chicago Style (17th ed.) Citation

Ertl, Josef, Uwe Otzen, and Richard Peters. Agricultural Cooperation with the Philippines. Berlin: DIE, 1986.

MLA (9th ed.) Citation

Ertl, Josef, et al. Agricultural Cooperation with the Philippines. DIE, 1986.