APA (7th ed.) Citation

Groen, P. (1967). The waters of the sea. Van Nostrand.

Chicago Style (17th ed.) Citation

Groen, Pier. The Waters of the Sea. London u.a: Van Nostrand, 1967.

MLA (9th ed.) Citation

Groen, Pier. The Waters of the Sea. Van Nostrand, 1967.

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