Cita APA (7th ed.)

Liang, G. H., & Skinner, D. Z. (2004). Genetically modified crops: Their development, uses, and risks. Food Products Press.

Cita Chicago (17th ed.)

Liang, G. H., i D. Z. Skinner. Genetically Modified Crops: Their Development, Uses, and Risks. New York: Food Products Press, 2004.

Cita MLA (9th ed.)

Liang, G. H., i D. Z. Skinner. Genetically Modified Crops: Their Development, Uses, and Risks. Food Products Press, 2004.