APA

Blank S. S., . (1968). Descriptive statistics. New York: Appleton-Century-Crofts.

Chicago

Blank Stanley Solomon, . 1968. Descriptive statistics. New York: Appleton-Century-Crofts.

Harvard

Blank S. S., . (1968). Descriptive statistics. New York: Appleton-Century-Crofts.

MLA

Blank Stanley Solomon, . Descriptive statistics. New York: Appleton-Century-Crofts. 1968.