Cita APA (7a ed.)

Hardy, D. (1990). Sociocultural dimensions of tourism history. [s.n.].

Cita Chicago Style (17a ed.)

Hardy, Dennis. Sociocultural Dimensions of Tourism History. [S.l.]: [s.n.], 1990.

Cita MLA (9a ed.)

Hardy, Dennis. Sociocultural Dimensions of Tourism History. [s.n.], 1990.