APA (7th ed.) Citation

Otruba, J., Závodská, E., & Hurtalová, T. (1978). Contributions of the Geophysical Institute of the Slovak Academy of Science. Veda.

Chicago Style (17th ed.) Citation

Otruba, Ján, Eva Závodská, and Tatiana Hurtalová. Contributions of the Geophysical Institute of the Slovak Academy of Science. Bratislava: Veda, 1978.

MLA (9th ed.) Citation

Otruba, Ján, et al. Contributions of the Geophysical Institute of the Slovak Academy of Science. Veda, 1978.