APA (7th ed.) Citation

Robertson, J. P., & Robertson, W. P. (1970). Letters on Paraguay: Comprising an account of a four years' residence in that Republic, under the Government of the Dictator Francia (2d ed.). AMS Press.

Chicago Style (17th ed.) Citation

Robertson, J. P., and Wm. Parish Robertson. Letters on Paraguay: Comprising an Account of a Four Years' Residence in That Republic, Under the Government of the Dictator Francia. 2d ed. New York: AMS Press, 1970.

MLA (9th ed.) Citation

Robertson, J. P., and Wm. Parish Robertson. Letters on Paraguay: Comprising an Account of a Four Years' Residence in That Republic, Under the Government of the Dictator Francia. 2d ed. AMS Press, 1970.