Cita APA (7a ed.)

Kendler, K. S. (1987). Age at onset in schizophrenia. Archives of general psychiatry, 44(10), 881-891.

Cita Chicago Style (17a ed.)

Kendler, Kenneth S. "Age at Onset in Schizophrenia." Archives of General Psychiatry 44, no. 10 (1987): 881-891.

Cita MLA (8a ed.)

Kendler, Kenneth S. "Age at Onset in Schizophrenia." Archives of General Psychiatry, vol. 44, no. 10, 1987, pp. 881-891.