APA (7th ed.) Citation

Questions on Ecology and Taxonomy of Earthworms Nitra, Slovensko, Čepelák, J., & Zajonc, I. (1968). Colloquium "Questions on Ecology and Taxonomy of Earthworms": Nitra - Czechoslovakia : 12.-14. September 1968 : preprints (Preprints.). Agricultural University.

Chicago Style (17th ed.) Citation

Questions on Ecology and Taxonomy of Earthworms Nitra, Slovensko, Juraj Čepelák, and Ivo Zajonc. Colloquium "Questions on Ecology and Taxonomy of Earthworms": Nitra - Czechoslovakia : 12.-14. September 1968 : Preprints. Preprints. Nitra: Agricultural University, 1968.

MLA (9th ed.) Citation

Questions on Ecology and Taxonomy of Earthworms Nitra, Slovensko, et al. Colloquium "Questions on Ecology and Taxonomy of Earthworms": Nitra - Czechoslovakia : 12.-14. September 1968 : Preprints. Preprints. Agricultural University, 1968.