Cita APA (7th ed.)

Birch, A. J. (1938). The structure of origanene. Part I. Zenodo.

Cita Chicago (17th ed.)

Birch, Arthur John. The Structure of Origanene. Part I. Zenodo, 1938.

Cita MLA (9th ed.)

Birch, Arthur John. The Structure of Origanene. Part I. Zenodo, 1938.

Atenció: Aquestes cites poden no estar 100% correctes.