Cita APA (7th ed.)

Conrad, J. (1959). An intro. to the theory of intrest. California Univ. Press.

Cita Chicago (17th ed.)

Conrad, J. An Intro. to the Theory of Intrest. NULL: California Univ. Press, 1959.

Cita MLA (9th ed.)

Conrad, J. An Intro. to the Theory of Intrest. California Univ. Press, 1959.