Cita APA (7a ed.)

Tibblin, G. (1990). Symptoms by age and sex: The population studies of men and women in Gothenburg, Sweden. [s.n.].

Cita Chicago Style (17a ed.)

Tibblin, Gösta. Symptoms by Age and Sex: The Population Studies of Men and Women in Gothenburg, Sweden. [S.l.]: [s.n.], 1990.

Cita MLA (9a ed.)

Tibblin, Gösta. Symptoms by Age and Sex: The Population Studies of Men and Women in Gothenburg, Sweden. [s.n.], 1990.