APA (7th ed.) Citation

LANGE, O., IVANOVA, M., & LEBEDEVA, N. (1991). Geologi umum/ pnerjemah Eric Jayaporhas Silitonga. Gaya Media Pratama.

Chicago Style (17th ed.) Citation

LANGE, O., M. IVANOVA, and N. LEBEDEVA. Geologi Umum/ Pnerjemah Eric Jayaporhas Silitonga. Jakarta: Gaya Media Pratama, 1991.

MLA (9th ed.) Citation

LANGE, O., et al. Geologi Umum/ Pnerjemah Eric Jayaporhas Silitonga. Gaya Media Pratama, 1991.

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