APA (7th ed.) Citation

Fletcher, J. F., Wassmer, T. A., & May, W. E. (1970). Hello, lovers!: An introduction to situation ethics. Corpus Books.

Chicago Style (17th ed.) Citation

Fletcher, Joseph F., Thomas A. Wassmer, and William E. May. Hello, Lovers!: An Introduction to Situation Ethics. Washington: Corpus Books, 1970.

MLA (8th ed.) Citation

Fletcher, Joseph F., et al. Hello, Lovers!: An Introduction to Situation Ethics. Corpus Books, 1970.