Cita APA (7a ed.)

(1938). Other discoveries: Ist July, 1936 to 30th June, 1937. [s.n.].

Cita Chicago Style (17a ed.)

Other Discoveries: Ist July, 1936 to 30th June, 1937. [S.l.]: [s.n.], 1938.

Cita MLA (9a ed.)

Other Discoveries: Ist July, 1936 to 30th June, 1937. [s.n.], 1938.

Precaución: Estas citas no son 100% exactas.