Cita APA (7th ed.)

Krivokapic, A., Cowley, A., & Anderson, H. (2003). Contracted and expanded meso-alkynyl porphyrinoids: From triphyrin to hexaphyrin.

Cita Chicago (17th ed.)

Krivokapic, A., A. Cowley, i H. Anderson. Contracted and Expanded Meso-alkynyl Porphyrinoids: From Triphyrin to Hexaphyrin. 2003.

Cita MLA (9th ed.)

Krivokapic, A., et al. Contracted and Expanded Meso-alkynyl Porphyrinoids: From Triphyrin to Hexaphyrin. 2003.