APA Citation

Krug, C. A., & De Poerck, R. A. (1968). World coffee survey. Rome: FAO.

Chicago Style Citation

Krug, C. A., and R. A. De Poerck. World Coffee Survey. Rome: FAO, 1968.

MLA Citation

Krug, C. A., and R. A. De Poerck. World Coffee Survey. Rome: FAO, 1968.

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