Gaya APA

Emshoff, J, R., Swanson, C, P. (1971). Analysis of behavioral systems . New York: New York: The Macmillan; 1971.

Gaya MLA

Emshoff, James, R., Swanson, Carl, P.. "Analysis of behavioral systems". New York: New York: The Macmillan; 1971, 1971. Text.