Cita APA (7a ed.)

Sallis, J. F. (1989). A multivariate study of determinants of vigorous exercise in a community sample. [s.n.].

Cita Chicago Style (17a ed.)

Sallis, James F. A Multivariate Study of Determinants of Vigorous Exercise in a Community Sample. [S.l.]: [s.n.], 1989.

Cita MLA (9a ed.)

Sallis, James F. A Multivariate Study of Determinants of Vigorous Exercise in a Community Sample. [s.n.], 1989.