Cita APA (7a ed.)

Firth, R. (1940). The analysis of mana: An empirical approach. [s.n.].

Cita Chicago Style (17a ed.)

Firth, Raymond. The Analysis of Mana: An Empirical Approach. [S.l.]: [s.n.], 1940.

Cita MLA (9a ed.)

Firth, Raymond. The Analysis of Mana: An Empirical Approach. [s.n.], 1940.