Cita APA (7th ed.)

Troelstra, A. S. (1969). Principles of intuitionism: Lectures presented at the summer conference on Intuitism and Proof theory. Springer-Verlag.

Cita Chicago (17th ed.)

Troelstra, A. S. Principles of Intuitionism: Lectures Presented at the Summer Conference on Intuitism and Proof Theory. Berlín: Springer-Verlag, 1969.

Cita MLA (9th ed.)

Troelstra, A. S. Principles of Intuitionism: Lectures Presented at the Summer Conference on Intuitism and Proof Theory. Springer-Verlag, 1969.