APA (7th ed.) Citation

Macko, J. K. On some problems of helminth systematics.

Chicago Style (17th ed.) Citation

Macko, Jozef Kazimír. On Some Problems of Helminth Systematics.

MLA (9th ed.) Citation

Macko, Jozef Kazimír. On Some Problems of Helminth Systematics.

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