APA
fedin k., wettlin m., . (1967). no ordinary summer. moscow: progress publishers.
Chicago
fedin konstantin, wettlin margaret, . 1967. no ordinary summer. moscow: progress publishers.
Harvard
fedin k., wettlin m., . (1967). no ordinary summer. moscow: progress publishers.
MLA
fedin konstantin, wettlin margaret, . no ordinary summer. moscow: progress publishers. 1967.
