Franklin

MLA

Sea and Swell Observations; Wave Characteristics, Waves of the Sea, How to Make Observations, Reporting Procedure. [S.l.: s.n.], 1950.

APA

(1950). Sea and swell observations; wave characteristics, waves of the sea, how to make observations, reporting procedure. [S.l.: s.n.].

Chicago

Sea and Swell Observations; Wave Characteristics, Waves of the Sea, How to Make Observations, Reporting Procedure. [S.l.: s.n.], 1950.