APA (7th ed.) Citation

Heikkinen, M. (1978). On the tide-generating forces.

Chicago Style (17th ed.) Citation

Heikkinen, Markku. On the Tide-generating Forces. Helsinki, 1978.

MLA (9th ed.) Citation

Heikkinen, Markku. On the Tide-generating Forces. 1978.

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