Cita APA (7th ed.)

Cliff, A., Haggett, P., Stroup, D., & Cheney, E. (1992). The changing geographical coherence of measles morbidity in the United States, 1962-88.

Cita Chicago (17th ed.)

Cliff, A., P. Haggett, D. Stroup, i E. Cheney. The Changing Geographical Coherence of Measles Morbidity in the United States, 1962-88. 1992.

Cita MLA (9th ed.)

Cliff, A., et al. The Changing Geographical Coherence of Measles Morbidity in the United States, 1962-88. 1992.