APA (7th ed.) Citation

Dobrowolski, M., & Lepa, E. (1960). Polish scholars: Their contribution to world science. "Polonia" Pub. House.

Chicago Style (17th ed.) Citation

Dobrowolski, Marian, and Eugeniusz Lepa. Polish Scholars: Their Contribution to World Science. Warsaw: "Polonia" Pub. House, 1960.

MLA (9th ed.) Citation

Dobrowolski, Marian, and Eugeniusz Lepa. Polish Scholars: Their Contribution to World Science. "Polonia" Pub. House, 1960.