Mikhaĭlov, N. P. (1966). Borealʹnye ︠i︡urskie ammonity (Dorsoplanitinae) i zonalʹnoe raschlenenie volzhskogo ︠i︡arusa. Nauka.
Chicago Style (17th ed.) CitationMikhaĭlov, Nikolaĭ Petrovich. Borealʹnye ︠i︡urskie Ammonity (Dorsoplanitinae) I Zonalʹnoe Raschlenenie Volzhskogo ︠i︡arusa. Moskva: Nauka, 1966.
MLA (8th ed.) CitationMikhaĭlov, Nikolaĭ Petrovich. Borealʹnye ︠i︡urskie Ammonity (Dorsoplanitinae) I Zonalʹnoe Raschlenenie Volzhskogo ︠i︡arusa. Nauka, 1966.
Warning: These citations may not always be 100% accurate.