MLA

Kelly, Laurence. St. Petersburg : a Travellers' Companion. 1st American ed. New York, N.Y.: Atheneum, 1983.

APA

Kelly, L. (1983). St. Petersburg : a travellers' companion. 1st American ed. New York, N.Y.: Atheneum.

Chicago

Kelly, Laurence, St. Petersburg: A Travellers' Companion. 1st American ed. New York, N.Y.: Atheneum, 1983.