APA (7th ed.) Citation

Vardiman, L. (2000). Radioisotopes and the age of the earth. Institute for Creation Research.

Chicago Style (17th ed.) Citation

Vardiman, Larry. Radioisotopes and the Age of the Earth. El Cajon, Calif: Institute for Creation Research, 2000.

MLA (9th ed.) Citation

Vardiman, Larry. Radioisotopes and the Age of the Earth. Institute for Creation Research, 2000.

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