APA (7th ed.) Citation

Baulig, H. (1935). The changing sea level. George Philip & Son, ltd. [etc., etc.].

Chicago Style (17th ed.) Citation

Baulig, Henri. The Changing Sea Level. London: George Philip & Son, ltd. [etc., etc.], 1935.

MLA (9th ed.) Citation

Baulig, Henri. The Changing Sea Level. George Philip & Son, ltd. [etc., etc.], 1935.

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