Cita APA (7a ed.)

Larsen, H. (1968). Trail Creek: Final report on the excavation of two caves on Seward Peninsula, Alaska. [s.n.].

Cita Chicago Style (17a ed.)

Larsen, Helge. Trail Creek: Final Report on the Excavation of Two Caves on Seward Peninsula, Alaska. [S.l.]: [s.n.], 1968.

Cita MLA (9a ed.)

Larsen, Helge. Trail Creek: Final Report on the Excavation of Two Caves on Seward Peninsula, Alaska. [s.n.], 1968.

Precaución: Estas citas no son 100% exactas.