APA (7th ed.) Citation

Sonnenfeld, P. (1981). Tethys. Hutchinson Ross Publ.

Chicago Style (17th ed.) Citation

Sonnenfeld, Peter. Tethys. Stroudsburg, Pa: Hutchinson Ross Publ, 1981.

MLA (9th ed.) Citation

Sonnenfeld, Peter. Tethys. Hutchinson Ross Publ, 1981.

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