APA aipamena

Umali, A. F., & Warfel, H. E. (1949). Reef fishing in the Philippines. [U.S. govt. Print. Off.].

Chicago Style aipamena

Umali, Agustin F., and Herbert Elmer Warfel. Reef Fishing in the Philippines. Washington: [U.S. govt. Print. Off.], 1949.

MLA aipamena

Umali, Agustin F., and Herbert Elmer Warfel. Reef Fishing in the Philippines. [U.S. govt. Print. Off.], 1949.