Akademi︠i︡a nauk SSSR. Mezhduvedomstvennyĭ litologicheskiĭ komitet, Geologicheskiĭ institut (Akademi︠i︡a nauk SSSR), & Timofeev, P. P. (1990). Nakoplenie i preobrazovanie organicheskogo veshchestva sovremennykh i iskopaemykh osadkov: Sbornik nauchnykh trudov. "Nauka".
Chicago Style (17th ed.) CitationAkademi︠i︡a nauk SSSR. Mezhduvedomstvennyĭ litologicheskiĭ komitet, Geologicheskiĭ institut (Akademi︠i︡a nauk SSSR), and Petr Petrovich Timofeev. Nakoplenie I Preobrazovanie Organicheskogo Veshchestva Sovremennykh I Iskopaemykh Osadkov: Sbornik Nauchnykh Trudov. Moskva: "Nauka", 1990.
MLA (8th ed.) CitationAkademi︠i︡a nauk SSSR. Mezhduvedomstvennyĭ litologicheskiĭ komitet, et al. Nakoplenie I Preobrazovanie Organicheskogo Veshchestva Sovremennykh I Iskopaemykh Osadkov: Sbornik Nauchnykh Trudov. "Nauka", 1990.