Cita APA (7a ed.)

Fletcher, L. B., Graber, E., Merrill, W. C., & Thorbecke, E. (1970). Guatemala's economic development: The role of agriculture. Iowa State University.

Cita Chicago Style (17a ed.)

Fletcher, Lehman B., Eric Graber, William C. Merrill, y Erik Thorbecke. Guatemala's Economic Development: The Role of Agriculture. Ames: Iowa State University, 1970.

Cita MLA (8a ed.)

Fletcher, Lehman B., et al. Guatemala's Economic Development: The Role of Agriculture. Iowa State University, 1970.