APA Citation

Ryden, S. (1931). Notes on some archaeological whisting arrow heads from Peru. Gotenborg: [s.n.].

Chicago Style Citation

Ryden, Stig. Notes On Some Archaeological Whisting Arrow Heads From Peru. Gotenborg: [s.n.], 1931.

MLA Citation

Ryden, Stig. Notes On Some Archaeological Whisting Arrow Heads From Peru. Gotenborg: [s.n.], 1931.

Warning: These citations may not always be 100% accurate.