APA Edition Citation

Sobolev,Igor, & Ward,Natalie(Tr.). (1975). Pulse of time. Progress publishers.

Chicago Edition Citation

Sobolev,Igor, and Ward,Natalie(Tr.). Pulse of Time. Moscow: Progress publishers, 1975.

MLA Edition Citation

Sobolev,Igor, and Ward,Natalie(Tr.). Pulse of Time. Progress publishers, 1975.

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