"Petrosyan, M. (1972). Humanism: "its philosophical,ethical and sociological aspects". Progress publishers.
Chicago Style (17th ed.) Citation"Petrosyan, M". Humanism: "Its Philosophical,ethical and Sociological Aspects". Progress publishers, 1972.
MLA (9th ed.) Citation"Petrosyan, M". Humanism: "Its Philosophical,ethical and Sociological Aspects". Progress publishers, 1972.
Warning: These citations may not always be 100% accurate.