APA (7th ed.) Citation

Hotema, H. (1933). Science of regeneration. [publisher not identified].

Chicago Style (17th ed.) Citation

Hotema, Hilton. Science of Regeneration. [Hugo, Oklahoma, U.S.A.]: [publisher not identified], 1933.

MLA (9th ed.) Citation

Hotema, Hilton. Science of Regeneration. [publisher not identified], 1933.