Gaya APA

Johnson, A., Seligman, E, R. (1967). Encyclopedia Of The Social Sciences Volumes 15 Tra - Zwi (Vol. 15.). New York: The Macmillan Company.

Gaya MLA

Johnson, Alvin., Seligman, Edwin, R.A.. "Encyclopedia Of The Social Sciences Volumes 15 Tra - Zwi". Vol. 15. New York: The Macmillan Company, 1967. Text.