APA (7th ed.) Citation

American University (Washington, D. C.) Foreign Area Studies, & Ryan, J. M. (1970). Area handbook for Nicaragua. Govt. Print. Off.].

Chicago Style (17th ed.) Citation

American University (Washington, D. C.) Foreign Area Studies, and John Morris Ryan. Area Handbook for Nicaragua. [Washington: Govt. Print. Off.], 1970.

MLA (9th ed.) Citation

American University (Washington, D. C.) Foreign Area Studies, and John Morris Ryan. Area Handbook for Nicaragua. Govt. Print. Off.], 1970.