APA (7th ed.) Citation

Guillevic, E., & Ferko, M. Skaly.

Chicago Style (17th ed.) Citation

Guillevic, Eugéne, and Milan Ferko. Skaly.

MLA (9th ed.) Citation

Guillevic, Eugéne, and Milan Ferko. Skaly.

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