APA (7th ed.) Citation

Kasprowski, P. (1990). 500 zagadek z fantastyki i science fiction. Wiedza Powszechna.

Chicago Style (17th ed.) Citation

Kasprowski, Piotr. 500 Zagadek Z Fantastyki I Science Fiction. Warszawa: Wiedza Powszechna, 1990.

MLA (9th ed.) Citation

Kasprowski, Piotr. 500 Zagadek Z Fantastyki I Science Fiction. Wiedza Powszechna, 1990.

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