APA (7th ed.) Citation

Rummel, R. J. (1966). Attribute space of nations for 1963: Variable list. University of Hawaii.

Chicago Style (17th ed.) Citation

Rummel, Rudolf J. Attribute Space of Nations for 1963: Variable List. Honolulu: University of Hawaii, 1966.

MLA (9th ed.) Citation

Rummel, Rudolf J. Attribute Space of Nations for 1963: Variable List. University of Hawaii, 1966.