Cita APA

Skolem, T. 1. (1962). Abstract set theory. [s.n.].

Citación estilo Chicago

Skolem, Th. 1887-1963. Abstract Set Theory. Notre Dame, Indiana: [s.n.], 1962.

Cita MLA

Skolem, Th. 1887-1963. Abstract Set Theory. Notre Dame, Indiana: [s.n.], 1962.