Cita APA (7a ed.)

Weissberger, A., & Hassner, A.. (1983). Small ring heterocycles. John Wiley & Sons.

Cita Chicago Style (17a ed.)

Weissberger, Arnold, y Alfred Hassner. Small Ring Heterocycles. New York [etc.]: John Wiley & Sons, 1983.

Cita MLA (9a ed.)

Weissberger, Arnold, y Alfred Hassner. Small Ring Heterocycles. John Wiley & Sons, 1983.