APA (7th ed.) Citation

Pilsbry, H. A. (1918). Cirripedia from the Panama canal zone. Govt. Print. Off..

Chicago Style (17th ed.) Citation

Pilsbry, Henry Augustus. Cirripedia from the Panama Canal Zone. Washington: Govt. Print. Off., 1918.

MLA (9th ed.) Citation

Pilsbry, Henry Augustus. Cirripedia from the Panama Canal Zone. Govt. Print. Off., 1918.