APA (7th ed.) Citation

Pehel, S. J. (1972). Man made islands to solve man made problems. [publisher not identified].

Chicago Style (17th ed.) Citation

Pehel, Sigmund J. Man Made Islands to Solve Man Made Problems. [Place of publication not identified]: [publisher not identified], 1972.

MLA (9th ed.) Citation

Pehel, Sigmund J. Man Made Islands to Solve Man Made Problems. [publisher not identified], 1972.