Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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