APA (7th ed.) Citation

Kropáč, O. S. Webb: Measuring the Universe. The cosmological distance ladder.

Chicago Style (17th ed.) Citation

Kropáč, Oldřich. S. Webb: Measuring the Universe. The Cosmological Distance Ladder.

MLA (9th ed.) Citation

Kropáč, Oldřich. S. Webb: Measuring the Universe. The Cosmological Distance Ladder.

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