APA (7th ed.) Citation

(1931). Psittacosis, or parrot fever. [publisher not identified].

Chicago Style (17th ed.) Citation

Psittacosis, or Parrot Fever. [Place of publication not identified]: [publisher not identified], 1931.

MLA (9th ed.) Citation

Psittacosis, or Parrot Fever. [publisher not identified], 1931.

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