APA (7th ed.) Citation

Stroock, S. I. (1937). Llamas and llamaland. [publisher not identified].

Chicago Style (17th ed.) Citation

Stroock, Sylvan Irving. Llamas and Llamaland. New York: [publisher not identified], 1937.

MLA (9th ed.) Citation

Stroock, Sylvan Irving. Llamas and Llamaland. [publisher not identified], 1937.