APA (7th ed.) Citation

Petrunkevitch, A. (1942). A study of amber spiders. Conn. Acad. of Arts and Siences.

Chicago Style (17th ed.) Citation

Petrunkevitch, Alexander. A Study of Amber Spiders. New Haven, Conn: Conn. Acad. of Arts and Siences, 1942.

MLA (9th ed.) Citation

Petrunkevitch, Alexander. A Study of Amber Spiders. Conn. Acad. of Arts and Siences, 1942.